Trebuchets, Geohashes, and Richmond, VA

A while back, I was home in Virginia for a little while, and my friend James decided it was time to build a trebuchet

Pictured: James, Doug

I say measure once, cut eighty or ninety times.

As you can see by Doug’s hat, trebuchets are very serious business.

I had to leave before we could test it, but they finished up the last touches in my absence. This week, we got a chance to fire it for the first time.

The projectile (three full Dr Pepper cans taped together) vanished off into the woods. Firing successful! In the video, you can see falling leaves cut by the projectile.

In other news, Geohashing is working out wonderfully. At the most recent meetup I attended, we flew a camera from a kite and then tried to spell words under it.

There’s a new feature in the map-locating program where you can suggest and vote on alternate meetup sites for a given day. So far, the pattern is generally that we show up at the location, then find a nearby park or restaurant to hang out at. Bringing games and activities is encouraged.

I wasn’t able to make it to the most recent meetup because I was at MoCCA. By the way — thank you to Chris Hastings of Dr. McNinja for his generous hospitality. He gave me a place to sleep with no advance warning and didn’t even get mad when I spent the night sick on his couch, beat him at Mario Kart, and stole half his stuff. (If anyone wants a good deal on some of his erotic Batman fan art, let me know.)

This afternoon (starting 4:00-ish), some friends and I are heading to Belle Island in Richmond, VA, which is an alternate location for today’s geohash. I hear there are fireworks or something?

113 Responses to “Trebuchets, Geohashes, and Richmond, VA”

  1. Brice Smith Says:

    Open source the building plans ?

  2. Randall Munroe Says:

    There aren’t really any building plans, and if there were you wouldn’t want them. James used some random online trebuchet simulator to work out the basic dimensions, and we ballpark-calculated everything else on backs of envelopes.

    It was basically an experiment to see if we could build a trebuchet in a couple days days for a couple hundred dollars.

  3. Brian Says:

    How did you get the camera to take pics? Either you precisely threw a rock at the shutter button, or you had some sort of special camera.. or you used the 10 second wait time and got that kite flying extremely fast. Thanks, Brian

  4. Scott Says:

    It was probably a video camera and that picture was was a frame grab.

  5. John Says:

    Doug’s hair is HUGE!

  6. Tim McCormack Says:

    Brian: Learn more about the kite/camera rig here: http://xkcd.com/kite/

  7. john m Says:

    fireworks@9:30!

  8. Tom W Says:

    Thanks for the link Tim,

    Do you have any info on exact camera, or circuit?

    A friend is off to study engineering at Oxford Uni, and we thought it would be great to get some pictures of the great architecture from the sky

    email: tomonzob@btinternet.com

  9. Robert Barga Says:

    Next step, make one where you can reload automatically and an engine cocks it back.

    Thanks
    Robert Barga
    http://whalertly.blogspot.com/

    Gabriel Assaf

  10. Brian Says:

    Thanks, Tim. That’s awesome.

  11. Brian Says:

    Thanks Tim, that’s awesome

  12. Brian Says:

    Thanks Tim, that’s awesome!

  13. Brian Says:

    Oops, thought I was getting the security phrase wrong each time, so I kept trying.. lol?

  14. Jacob Rus Says:

    Hopefully similarly frivolous geohashing adventures will be had when I make it back to Boston in the Fall. :-)

    Randy: do you have any kind of geohashing worldwide success statistics? I.e. how many geohashers are there in total, what’s the average group size, how many groups actually meet, etc.?

  15. D2k Says:

    for the geohashing you should include a reason field for the alternate location

  16. phaiakia Says:

    @Brice

    Finding trebuchet plans online isn’t very difficult, just google it and you’ll get a good enough idea that you can make your own blueprints. I teach high school physics, and in one of my classes this year, I helped a team of girls and a team of boys each built their own trebuchets (our physics room has its own workshop, so the kids did all the design and construction there at school). The boys’ trebuchet was much larger than the girls’, but the girls still kicked their butts :) Wish I had some video to share, but with school privacy practices these days, I probably wouldn’t be allowed to anyway!

  17. Anonymous Says:

    DAMN THAT’S SOME RED ASS HAIR ON THAT KID.

  18. Anonymous Says:

    Was that Jason from FoxTrot? I thought he was blond.

  19. Andrew L Says:

    I WAS AT MOCCA! I would have loved to meet you. I was telling my girlfriend how awesome it would have been to see an xkcd table there. Please go next year!!!

  20. Maiko Says:

    trebuchetYES.

    and i want that hat.

  21. Peter K Says:

    Great alternate location today… it was good to meet up with you people. Oh, and thanks for the ice cream.

  22. Drew Says:

    I am not going to lie…I am trying both of these things as soon as I can.
    The trebuchet will be for pumpkins that my neighbor sells every fall. I don’t know what adventure I will use the camera for. *!@IDEA!*@ Shoot the camera from the trebuchet and rig a parachute to deploy all the while it is snapping pictures of the whole thing!

  23. Sharktamer Says:

    Doug looks like he is wearing Garfield.

  24. David Says:

    Holy cow, I found where the Firefox logo spends it’s time, on Doug’s head!

  25. mib Says:

    @Anon foxtrot comment
    I was thinking the same thing…

  26. London Reinhard Says:

    aw, are you kidding me, I was going to see the fireworks at Belle Isle yesterday but couldn’t go because the car was in use.

    and hey, it’s Doug. Hi Doug!

  27. Dan F Says:

    @John haha, that’s the same thing I was thinking. That’s some big hair there Doug :)

  28. Matthew Says:

    I like Doug’s hair…

    The trebuchet looks awesome. I want one! And I’m considering trying the kite + camera idea around my local area to see what it’s like from the air. It’s probably cheaper than renting a helicopter or light aircraft, no?

  29. Hap W Says:

    # John Says:
    June 14th, 2008 at 3:06 pm

    Doug’s hair is AWESOME!

    fix’d. My friend was doing something like this, but smaller. Trebuchets kick arse.

  30. Hap W Says:

    I hope James’ hand is ok.

  31. Chris M Says:

    His hair makes me think of a young Donald Trump… and a young Head of Hair on Donald Trump, of course… We all know it’s its own entity.

  32. QJ Says:

    Uploaded but not posted?!:
    http://imgs.xkcd.com/blag/trebuchet/2008-05-31-42–71-007.png

  33. Bluestocking Says:

    Are you lovely chaps able to provide more detailed instructions for your Kite-Camera rig? I’d love to try it out.

  34. Apoorv Khatreja Says:

    Well, Geohashing sure does sound fun to me. BTW, how exactly did you fly a camers using a kite and how did you get it to take a picture from that high above the ground?

  35. Apoorv Khatreja Says:

    And the trebuchet kinda reminds me of the one from Lost. What do you plan to use it for :p ?

  36. Russ Says:

    Took the words out of my mouth or my fingers), Reminds me of LOST!

    http://death-sentences.blogspot.com/

  37. Paul Says:

    Apparently those pics were taken quite a while ago, as Richmond has been setting new records lately for heat. That hat would have resulted in a heat stroke any time in the past month.

    I don’t suppose that your friend lives on Huguenot Road near the Bon Air Baptist church, does he? I’d swear there’s a trebuchet sitting at the end of someone’s driveway up there. I’ve been meaning to stop and ask them about it.

  38. Allison Says:

    I think i speak for all your lovely fan girls when i say that you most certainly need to keep the pics coming. There’s nothing sexier than a man with raw building materials. mmmm….

  39. Allison Says:

    I think i speak for all the lovely lady fans of this site when i say that you most certainly need to keep the pics coming. There’s nothing sexier than a man with raw building materials and a mission in mind. mmmmm…

  40. m Says:

    oh please, lose the electric-skateboard-smugness.

  41. m Says:

    that’s right, I’m one of those “cool” SUV-driving, non-skateboard-smug people that you xkcd “people” make fun of all the time. And you know what? I like it, so you can take your “maths” and your tricky “science” and eat it, because I don’t need no fancy “studies” to stay groovy.

  42. Jiffypop Says:

    poor Dr. Peppers T___T

  43. Shona Says:

    We made a trebuchet in our garden. The main arm was an old telegraph pole, so it was rather larger than yours here. The weight we used was actually a victorian curling stone- it had a convenient metal handle already embedded!

    Unfortunately, though the mechanism worked, our “sling” design was pathetic and just kept getting tangled. We swapped it for a basket just to get the satisfaction of launching something, but it didn’t lob out turnips nearly as far as we were hoping.

    We then took it apart and chopped it up for firewood. To this day I get irritated because I didn’t take a photo and no one believes me that there was, for a brief time, such a big siege machine in my garden. *sigh*

  44. Dave Says:

    http://www.xkcd.org gives me a ‘directory listing denied’ error page where as xkcd.org does not today. check your vhost?

  45. randombloke Says:

    On the trebuchet; you will get dramatically increased range if you add wheels.

    They don’t have to be particularly big, as long as they allow the frame to move perpendicular to the axis of rotation of the arm.

    I forget the exact mathematics, but it has something to do with momentum transfer or conservation or something. Momentum at any rate.

    Depending on the efficiency of your sling, you could get a doubling of the range, apparently.

  46. Tanaudel Says:

    Isn’t it *always* time to build a trebuchet?

  47. footscarf Says:

    Doug scares me.

    He has so much hair, but so little happiness. Big-haired people are supposed to smile. :shudder:

    All said, though, it’s pretty neat to see it work, especially knowing that it was built haphazardly. :)

  48. Marshall Says:

    Suggestion for trebuchet ammo: take 1 gallon milk jugs and fill them with water. They explode on impact. Also cats work well if you can sedate them slightly.

    Our record was 106 feet with the 1 gal water but our trebuchet was capable (according to said random online trebuchet simulator) of propelling the potent potable 315 feet with the planned 600 lbs counterweight. That is until it broke.

  49. Craig Says:

    I wish I had the space and budget to randomly make trebuchets that size.

    @randombloke
    Adding wheels usually helps, but not always. Based on the reasonable counterweight stall timing, sling adjustments would probably be more useful. Too bad the sling is cut off in the video. I can’t offer any tuning advice.
    My analysis of the subject ( http://thehurl.wikidot.com/tuning:counterweight-stall - section on Axle Movement) covers how wheels help if any one is interested.

  50. Steve Says:

    We built a treb this year just before school got out. It was around 5 1/2 ft long and 6 ft tall, so a bit smaller than what you guys had. We were able to throw a can of Dew about 100 yards with about 180lbs of freeweights as the counterweight. Ours had wheels, but more for ease of movement than aiding in throwing. Ah… she was such a beauty until the bolt holding the weight broke :( RIP Dillymonger, you’ll be resurrected one day.

    I highly recommend building a treb. So long as the builders are careful not to let unweighted arm smack them on the head (happened twice) its a blast!

  51. Ryan Rix Says:

    >Anonymous Says:
    >June 14th, 2008 at 8:06 pm
    >DAMN THAT’S SOME RED ASS-HAIR ON THAT KID.

    There, fixed it for you. How you know that, however, is beyond me.

  52. Nick Says:

    Please do not ever needlessly pollute the environment again. It was really pointless. Why not launch a rock, or some wood? Dr. Pepper is acidic and corrosive, and the metal cans will do nothing but harm. Sure, launching anything into the forest is pretty dumb to begin with, but at least make an effort.

  53. Sibley Says:

    Doug is inarguably awesome for….

    well, for being a ginger.

  54. IamJ Says:

    Hey Randall,

    I saw this on the web-show EPIC-FU, and I thought: Black Hat has finally sold out. Not that selling out would bother him. If, indeed, it wasn’t part of a deeper, more nefarious scheme to make the world a weirder place.

    But anyway. I thought you might find PoopSenders amusing. I find it hard to believe it’s on the real, so I figured I would leave it to the Webcomic Humor Professional to delve into this (especially since Dave Barry is technically retired). Best, J

  55. Andy Says:

    Dammit Randall, why do you have to start doing cool things in Richmond after I move away?

  56. Bernbaum Says:

    So by splicing together the genetic material of Harry Potter and Ron Weasley, I would get a Doug.

  57. Jeff Says:

    Should we be concerned at all about the massively bandaged hand in the first picture? haha.

  58. James Says:

    Oops, sorry to show up so late to the commenting party. Contrary to Randy’s indication, there actually were somewhat detailed schematics which were ranged around 500+ yards. We just made more errors in following them then anticipated. I’d be happy to provide any information I can, including in which proportions NOT to mix cement.

  59. Alex Says:

    Not sure how feasible this is to program, but I think Geohashing should have an “accessible by public transportation” feature.

    That way, those of us without access to a car could still pleasurably ride the T to a splendid destination.

  60. Greg M Says:

    Oooo, trebuchets, fun!

    Check out http://www.algobeautytreb.com/ for some interesting sims and calculators.

    Also, the .pdf on that site of the physics of the onager is stupendous.

  61. Skyer Says:

    someone kill Vlad.

    in case it wasn’t clear enough, I’m volunteering. all I need is his adress, and my trusty trebuchet.

    oh, and whoever made the cat suggestion, as long as you’re flinging animals, I suggest goldfish or guppies. goldfish are more expensive, but if you say you spent the afternoon flinging guppy bowls, people think it’s a euphemism for throwing up.

  62. RabbitMage Says:

    Photoshopped! The whole lot of it!

  63. James Says:

    Now that I’ve actually looked through some of the comments, I shall respond. 1) I believe my hand was bandaged because of a trebuchet-related mishap, yes. As I recall, there was some misapplication (on my part) of a chisel and a rather hefty mallet into the bit between my thumb and index finger. Rather than try and keep a bandaid on the thing, I just used the bandage that was handy and kept working. I didn’t notice the bandage because I don’t really see any scars and I’m too busy noticing the thinning hair on top of my head. 2) These pictures were probably from early to mid January, yes. 3) Nope, though I live not to far from there and I’ve heard tell of this trebuchet and tried to find it, but haven’t had much success.

    Also, I’m going to try and get this thing out to a Richmond, VA geohash someday. Just not quite yet. Details forthcoming on the wiki.

  64. James Says:

    Please excuse the above poster’s misunderstanding of the difference between “to” and “too;” sometimes he can be an idiot like that. (I don’t even know who invited him, truth be told.)

  65. LovelessGent Says:

    Arkada?lar bu ve benzeri videolari youtube ye rakip haz?rlad???m?z sitemizden izleyebilir veya sitenize ekleyebilirsiniz. kendinizde video yükleyebilirsiniz..

    LovelessGent

  66. Welliamwallace Says:

    one time I made a trebuchet for physics class where we threw soccer balls. One kid had a bowling ball and we tried too throw that too. It almost hit my minivan. And why isn’t ‘trebuchet’ in firefox’s spell check? And neither is ‘firefox’

  67. Jules Says:

    Oh my God, redheads AND siege weaponry? I am in lurve.

    @ anon with the Foxtrot comment: died laughing.

  68. h Says:

    HAIR!

  69. My Marxist Feminist Dialectic Brings All the Boys to the Yard Says:

    You should blueprint and share plans! Then we could take over Midlothian.

    He DOES look like the kid from Foxtrot; that’s fantastic.

    .:The Oil Well :.

  70. Paul Says:

    @James: the one on Huguenot is on the right as you approach Forest Hill Avenue if you’re headed toward the Huguenot Bridge. The house is next door to the church that’s just off that intersection. It’s just past Jimmy Winters Road, and the trebuchet is visible behind the guard rail at the end of someone’s driveway. It’s about 5′ tall and made of pressure treated lumber.

    I pass it every day on the way to work.

  71. Dom Says:

    Thats the first red headed emo that I’ve ever seen!

  72. Lea Anne Locke Says:

    Doug reminds me of a young Bill Gates. (Please nobody slap me for that–he really does!!!)

    Randall–I’ve been reading xkcd for a little over a year now, and I think I’m in love. Every time I think you have hit the absolute pinnacle of complete and utter geekiness, you somehow top yourself. If I weren’t already married, I would propose to you.

    Keep up the great work. And if you are ever in Panama City, FL, look me up.

  73. 9squirrels Says:

    On todays comic - What’s even more scary is when you work out that you’re not only old enough to have kids, but old enough to have kids who have kids. Legally.

  74. Emily Says:

    In school two years ago our goal was to build a trebuchet that was both the most accurate and the most powerful (measured in distance). There were limits such as the axle height could only be 60cm. and there was a limit to the counterweight as well.

    In the end my group put to bends into the arm to add length to the arm. More length on the long arm/throwing arm gave us more momentum, but also counterbalanced the weight on the short arm. It was a very fun experience, and our design caused much controversy. =)

  75. joe Says:

    no, doug actually looks EXACTLY how i imagine a real Jason Fox from Foxtrot would look.

  76. joe Says:

    doug looks precisely like a real-life Jason Fox from foxtrot.

  77. WMGoBuffs Says:

    I didn’t know you were from Richmond….I graduated from Monacan High in ‘01.

  78. pixelfarm Says:

    The blog entry: “Trebuchets, Geohashes, and Richmond, VA” is in the typeface “Trebuchet MS”.
    I know. Don’t worry - you weren’t the only one. I too had an intense typography freak-out moment. Careful how you title this thing or you’ll cause a fontsplosion, Billy.

  79. elchan Says:

    I think you need this scarf: http://littlefactory.com/scarf/number/

  80. pixelfarm Says:

    Elchan, I think you’re right. *stares at scarf, entranced*
    Thanks for the link-up! :)

  81. Raymond Says:

    Mr. Munroe, please tell us about Megan.

  82. Sully Says:

    The spelling of words on the ground reminds me of the TalkTalk ads in the UK: http://www.youtube.com/watch?v=lQnKN9b7gbM but that may need too much organisation.

  83. Jaymie Says:

    lol, just gotta say, as a girl into bondage myself, i gotta agree with the tooltip sentiment of the latest comic. It’d be nice to have D-rings in the corners of the inside, dammit!

  84. Ryan Says:

    Doug looks like a young red-headed Danzig.

  85. Ryan Says:

    And I look like a young balding PORK-U-PINE!!!

  86. sven Says:

    Is it Lord Dark Helmet on the first picture, with his new hair-helmet?

  87. SheeEttin Says:

    Hey, he does kind of look like Rick Moranis…

    And, in other news, Randall, MacGyver hates guns! Don’t you know this?!

  88. Dr. Melon Says:

    It’s such a shame that there are hardly any other XKCD fans up here in the North East of Scotland… I would love to have a Geohash meet up here.

    Sadly, I meet nobody when I turn up at geohashed sites up here.

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  90. anony Says:

    Just thought you should know:
    (cur) (last) 04:13, 7 July 2008 Goodnightmush (Talk | contribs) (31,344 bytes) (adding {{pp-semi-protected|reason=mention in xkcd is causing significant disruption in the form of “wood in pop culture”. protect for 3 days. |expiry={{subst:#time:F j, Y|+3 days}}|small=yes}} (TW))

  91. Browncoat Says:

    Jayne gets the wooden rain stick in Our Mrs. Reynolds… not Jaynestown.

  92. Paul Says:

    Goddamn Doug has some AWESOME hair.

    Seriously awesome.

  93. Kirsten Says:

    I came here to make the same comment as Browncoat :) - He complains that Mal got a wife and all he got was a stick that sounds like it’s raining

  94. Marvin Says:

    I think this is definitely the highlight of the current wood talkpage on wiki:

    Anyway, shouldn’t it be “Wood in poplar culture”? 86.156.98.61 (talk) 15:47, 7 July 2008 (UTC)
    It should, but we’ll just have to be content with the fact that there’s now a protection log for the article. :) –Chaos386 (talk) 17:11, 7 July 2008 (UTC)

  95. Zack Says:

    Of course, with enough money, you could influence the DOW to throw Geohashers off of cliffs and the like. Oh well, One can only dream.

  96. adam Says:

    What’s with the bouffant on that redhead kid?

  97. Ninja Says:

    My teacher made us build trebuchets in Physics class. We didn’t make large scale ones like the ones last year.

  98. Richard E Says:

    does anyone else here think Doug looks like rick moranis in that first pic?

  99. Boeboe Says:

    about http://imgs.xkcd.com/blag/trebuchet/trebuchet_construction.jpg

    I KNOW the hair is photoshopped on his head. The question is: why did you do it?

  100. zmjjmz Says:

    Isn’t it a bit summery to be wearing sweatshirts?

  101. Joe Shabadoo Says:

    xkcd is a webcomic created by Randall Munroe,[1][2] a former contractor for NASA.[3] It calls itself “a webcomic of romance, sarcasm, math, and language.”[4][5] The site states there is no particular meaning to the name,[5] that it is simply a “treasured and carefully-guarded point in the space of four-character strings.”[6]

    The subjects of the comics themselves vary. Some are statements on life and love (some love strips are simply art with poetry), and some are mathematical or scientific in-jokes. Some strips feature simple humor or pop-culture references. Although known for its crudely drawn cast of oddball stick figures,[7][2] the comic occasionally features landscapes, intricate mathematical patterns such as fractals (for example, strip #17 “What If” shows an Apollonian gasket[8]), or imitations of the style of other cartoonists (as during “parody week”). Occasionally, realism is featured.[9][10]

    The comic is available under the Creative Commons Attribution-NonCommercial 2.5 License.[11] New comics are added three times a week, every Monday, Wednesday, and Friday,[3] at midnight EST[12] although so far they have been updated every weekday on three occasions: parody week, the five-part ‘Choices’ series and the 1337 series.xkcd is a webcomic created by Randall Munroe,[1][2] a former contractor for NASA.[3] It calls itself “a webcomic of romance, sarcasm, math, and language.”[4][5] The site states there is no particular meaning to the name,[5] that it is simply a “treasured and carefully-guarded point in the space of four-character strings.”[6]

    The subjects of the comics themselves vary. Some are statements on life and love (some love strips are simply art with poetry), and some are mathematical or scientific in-jokes. Some strips feature simple humor or pop-culture references. Although known for its crudely drawn cast of oddball stick figures,[7][2] the comic occasionally features landscapes, intricate mathematical patterns such as fractals (for example, strip #17 “What If” shows an Apollonian gasket[8]), or imitations of the style of other cartoonists (as during “parody week”). Occasionally, realism is featured.[9][10]

    The comic is available under the Creative Commons Attribution-NonCommercial 2.5 License.[11] New comics are added three times a week, every Monday, Wednesday, and Friday,[3] at midnight EST[12] although so far they have been updated every weekday on three occasions: parody week, the five-part ‘Choices’ series and the 1337 series.xkcd is a webcomic created by Randall Munroe,[1][2] a former contractor for NASA.[3] It calls itself “a webcomic of romance, sarcasm, math, and language.”[4][5] The site states there is no particular meaning to the name,[5] that it is simply a “treasured and carefully-guarded point in the space of four-character strings.”[6]

    The subjects of the comics themselves vary. Some are statements on life and love (some love strips are simply art with poetry), and some are mathematical or scientific in-jokes. Some strips feature simple humor or pop-culture references. Although known for its crudely drawn cast of oddball stick figures,[7][2] the comic occasionally features landscapes, intricate mathematical patterns such as fractals (for example, strip #17 “What If” shows an Apollonian gasket[8]), or imitations of the style of other cartoonists (as during “parody week”). Occasionally, realism is featured.[9][10]

    The comic is available under the Creative Commons Attribution-NonCommercial 2.5 License.[11] New comics are added three times a week, every Monday, Wednesday, and Friday,[3] at midnight EST[12] although so far they have been updated every weekday on three occasions: parody week, the five-part ‘Choices’ series and the 1337 series.xkcd is a webcomic created by Randall Munroe,[1][2] a former contractor for NASA.[3] It calls itself “a webcomic of romance, sarcasm, math, and language.”[4][5] The site states there is no particular meaning to the name,[5] that it is simply a “treasured and carefully-guarded point in the space of four-character strings.”[6]

    The subjects of the comics themselves vary. Some are statements on life and love (some love strips are simply art with poetry), and some are mathematical or scientific in-jokes. Some strips feature simple humor or pop-culture references. Although known for its crudely drawn cast of oddball stick figures,[7][2] the comic occasionally features landscapes, intricate mathematical patterns such as fractals (for example, strip #17 “What If” shows an Apollonian gasket[8]), or imitations of the style of other cartoonists (as during “parody week”). Occasionally, realism is featured.[9][10]

    The comic is available under the Creative Commons Attribution-NonCommercial 2.5 License.[11] New comics are added three times a week, every Monday, Wednesday, and Friday,[3] at midnight EST[12] although so far they have been updated every weekday on three occasions: parody week, the five-part ‘Choices’ series and the 1337 series.xkcd is a webcomic created by Randall Munroe,[1][2] a former contractor for NASA.[3] It calls itself “a webcomic of romance, sarcasm, math, and language.”[4][5] The site states there is no particular meaning to the name,[5] that it is simply a “treasured and carefully-guarded point in the space of four-character strings.”[6]

    The subjects of the comics themselves vary. Some are statements on life and love (some love strips are simply art with poetry), and some are mathematical or scientific in-jokes. Some strips feature simple humor or pop-culture references. Although known for its crudely drawn cast of oddball stick figures,[7][2] the comic occasionally features landscapes, intricate mathematical patterns such as fractals (for example, strip #17 “What If” shows an Apollonian gasket[8]), or imitations of the style of other cartoonists (as during “parody week”). Occasionally, realism is featured.[9][10]

    The comic is available under the Creative Commons Attribution-NonCommercial 2.5 License.[11] New comics are added three times a week, every Monday, Wednesday, and Friday,[3] at midnight EST[12] although so far they have been updated every weekday on three occasions: parody week, the five-part ‘Choices’ series and the 1337 series.xkcd is a webcomic created by Randall Munroe,[1][2] a former contractor for NASA.[3] It calls itself “a webcomic of romance, sarcasm, math, and language.”[4][5] The site states there is no particular meaning to the name,[5] that it is simply a “treasured and carefully-guarded point in the space of four-character strings.”[6]

    The subjects of the comics themselves vary. Some are statements on life and love (some love strips are simply art with poetry), and some are mathematical or scientific in-jokes. Some strips feature simple humor or pop-culture references. Although known for its crudely drawn cast of oddball stick figures,[7][2] the comic occasionally features landscapes, intricate mathematical patterns such as fractals (for example, strip #17 “What If” shows an Apollonian gasket[8]), or imitations of the style of other cartoonists (as during “parody week”). Occasionally, realism is featured.[9][10]

    The comic is available under the Creative Commons Attribution-NonCommercial 2.5 License.[11] New comics are added three times a week, every Monday, Wednesday, and Friday,[3] at midnight EST[12] although so far they have been updated every weekday on three occasions: parody week, the five-part ‘Choices’ series and the 1337 series.xkcd is a webcomic created by Randall Munroe,[1][2] a former contractor for NASA.[3] It calls itself “a webcomic of romance, sarcasm, math, and language.”[4][5] The site states there is no particular meaning to the name,[5] that it is simply a “treasured and carefully-guarded point in the space of four-character strings.”[6]

    The subjects of the comics themselves vary. Some are statements on life and love (some love strips are simply art with poetry), and some are mathematical or scientific in-jokes. Some strips feature simple humor or pop-culture references. Although known for its crudely drawn cast of oddball stick figures,[7][2] the comic occasionally features landscapes, intricate mathematical patterns such as fractals (for example, strip #17 “What If” shows an Apollonian gasket[8]), or imitations of the style of other cartoonists (as during “parody week”). Occasionally, realism is featured.[9][10]

    The comic is available under the Creative Commons Attribution-NonCommercial 2.5 License.[11] New comics are added three times a week, every Monday, Wednesday, and Friday,[3] at midnight EST[12] although so far they have been updated every weekday on three occasions: parody week, the five-part ‘Choices’ series and the 1337 series.xkcd is a webcomic created by Randall Munroe,[1][2] a former contractor for NASA.[3] It calls itself “a webcomic of romance, sarcasm, math, and language.”[4][5] The site states there is no particular meaning to the name,[5] that it is simply a “treasured and carefully-guarded point in the space of four-character strings.”[6]

    The subjects of the comics themselves vary. Some are statements on life and love (some love strips are simply art with poetry), and some are mathematical or scientific in-jokes. Some strips feature simple humor or pop-culture references. Although known for its crudely drawn cast of oddball stick figures,[7][2] the comic occasionally features landscapes, intricate mathematical patterns such as fractals (for example, strip #17 “What If” shows an Apollonian gasket[8]), or imitations of the style of other cartoonists (as during “parody week”). Occasionally, realism is featured.[9][10]

    The comic is available under the Creative Commons Attribution-NonCommercial 2.5 License.[11] New comics are added three times a week, every Monday, Wednesday, and Friday,[3] at midnight EST[12] although so far they have been updated every weekday on three occasions: parody week, the five-part ‘Choices’ series and the 1337 series.xkcd is a webcomic created by Randall Munroe,[1][2] a former contractor for NASA.[3] It calls itself “a webcomic of romance, sarcasm, math, and language.”[4][5] The site states there is no particular meaning to the name,[5] that it is simply a “treasured and carefully-guarded point in the space of four-character strings.”[6]

    The subjects of the comics themselves vary. Some are statements on life and love (some love strips are simply art with poetry), and some are mathematical or scientific in-jokes. Some strips feature simple humor or pop-culture references. Although known for its crudely drawn cast of oddball stick figures,[7][2] the comic occasionally features landscapes, intricate mathematical patterns such as fractals (for example, strip #17 “What If” shows an Apollonian gasket[8]), or imitations of the style of other cartoonists (as during “parody week”). Occasionally, realism is featured.[9][10]

    The comic is available under the Creative Commons Attribution-NonCommercial 2.5 License.[11] New comics are added three times a week, every Monday, Wednesday, and Friday,[3] at midnight EST[12] although so far they have been updated every weekday on three occasions: parody week, the five-part ‘Choices’ series and the 1337 series.xkcd is a webcomic created by Randall Munroe,[1][2] a former contractor for NASA.[3] It calls itself “a webcomic of romance, sarcasm, math, and language.”[4][5] The site states there is no particular meaning to the name,[5] that it is simply a “treasured and carefully-guarded point in the space of four-character strings.”[6]

    The subjects of the comics themselves vary. Some are statements on life and love (some love strips are simply art with poetry), and some are mathematical or scientific in-jokes. Some strips feature simple humor or pop-culture references. Although known for its crudely drawn cast of oddball stick figures,[7][2] the comic occasionally features landscapes, intricate mathematical patterns such as fractals (for example, strip #17 “What If” shows an Apollonian gasket[8]), or imitations of the style of other cartoonists (as during “parody week”). Occasionally, realism is featured.[9][10]

    The comic is available under the Creative Commons Attribution-NonCommercial 2.5 License.[11] New comics are added three times a week, every Monday, Wednesday, and Friday,[3] at midnight EST[12] although so far they have been updated every weekday on three occasions: parody week, the five-part ‘Choices’ series and the 1337 series.xkcd is a webcomic created by Randall Munroe,[1][2] a former contractor for NASA.[3] It calls itself “a webcomic of romance, sarcasm, math, and language.”[4][5] The site states there is no particular meaning to the name,[5] that it is simply a “treasured and carefully-guarded point in the space of four-character strings.”[6]

    The subjects of the comics themselves vary. Some are statements on life and love (some love strips are simply art with poetry), and some are mathematical or scientific in-jokes. Some strips feature simple humor or pop-culture references. Although known for its crudely drawn cast of oddball stick figures,[7][2] the comic occasionally features landscapes, intricate mathematical patterns such as fractals (for example, strip #17 “What If” shows an Apollonian gasket[8]), or imitations of the style of other cartoonists (as during “parody week”). Occasionally, realism is featured.[9][10]

    The comic is available under the Creative Commons Attribution-NonCommercial 2.5 License.[11] New comics are added three times a week, every Monday, Wednesday, and Friday,[3] at midnight EST[12] although so far they have been updated every weekday on three occasions: parody week, the five-part ‘Choices’ series and the 1337 series.xkcd is a webcomic created by Randall Munroe,[1][2] a former contractor for NASA.[3] It calls itself “a webcomic of romance, sarcasm, math, and language.”[4][5] The site states there is no particular meaning to the name,[5] that it is simply a “treasured and carefully-guarded point in the space of four-character strings.”[6]

    The subjects of the comics themselves vary. Some are statements on life and love (some love strips are simply art with poetry), and some are mathematical or scientific in-jokes. Some strips feature simple humor or pop-culture references. Although known for its crudely drawn cast of oddball stick figures,[7][2] the comic occasionally features landscapes, intricate mathematical patterns such as fractals (for example, strip #17 “What If” shows an Apollonian gasket[8]), or imitations of the style of other cartoonists (as during “parody week”). Occasionally, realism is featured.[9][10]

    The comic is available under the Creative Commons Attribution-NonCommercial 2.5 License.[11] New comics are added three times a week, every Monday, Wednesday, and Friday,[3] at midnight EST[12] although so far they have been updated every weekday on three occasions: parody week, the five-part ‘Choices’ series and the 1337 series.xkcd is a webcomic created by Randall Munroe,[1][2] a former contractor for NASA.[3] It calls itself “a webcomic of romance, sarcasm, math, and language.”[4][5] The site states there is no particular meaning to the name,[5] that it is simply a “treasured and carefully-guarded point in the space of four-character strings.”[6]

    The subjects of the comics themselves vary. Some are statements on life and love (some love strips are simply art with poetry), and some are mathematical or scientific in-jokes. Some strips feature simple humor or pop-culture references. Although known for its crudely drawn cast of oddball stick figures,[7][2] the comic occasionally features landscapes, intricate mathematical patterns such as fractals (for example, strip #17 “What If” shows an Apollonian gasket[8]), or imitations of the style of other cartoonists (as during “parody week”). Occasionally, realism is featured.[9][10]

    The comic is available under the Creative Commons Attribution-NonCommercial 2.5 License.[11] New comics are added three times a week, every Monday, Wednesday, and Friday,[3] at midnight EST[12] although so far they have been updated every weekday on three occasions: parody week, the five-part ‘Choices’ series and the 1337 series.xkcd is a webcomic created by Randall Munroe,[1][2] a former contractor for NASA.[3] It calls itself “a webcomic of romance, sarcasm, math, and language.”[4][5] The site states there is no particular meaning to the name,[5] that it is simply a “treasured and carefully-guarded point in the space of four-character strings.”[6]

    The subjects of the comics themselves vary. Some are statements on life and love (some love strips are simply art with poetry), and some are mathematical or scientific in-jokes. Some strips feature simple humor or pop-culture references. Although known for its crudely drawn cast of oddball stick figures,[7][2] the comic occasionally features landscapes, intricate mathematical patterns such as fractals (for example, strip #17 “What If” shows an Apollonian gasket[8]), or imitations of the style of other cartoonists (as during “parody week”). Occasionally, realism is featured.[9][10]

    The comic is available under the Creative Commons Attribution-NonCommercial 2.5 License.[11] New comics are added three times a week, every Monday, Wednesday, and Friday,[3] at midnight EST[12] although so far they have been updated every weekday on three occasions: parody week, the five-part ‘Choices’ series and the 1337 series.xkcd is a webcomic created by Randall Munroe,[1][2] a former contractor for NASA.[3] It calls itself “a webcomic of romance, sarcasm, math, and language.”[4][5] The site states there is no particular meaning to the name,[5] that it is simply a “treasured and carefully-guarded point in the space of four-character strings.”[6]

    The subjects of the comics themselves vary. Some are statements on life and love (some love strips are simply art with poetry), and some are mathematical or scientific in-jokes. Some strips feature simple humor or pop-culture references. Although known for its crudely drawn cast of oddball stick figures,[7][2] the comic occasionally features landscapes, intricate mathematical patterns such as fractals (for example, strip #17 “What If” shows an Apollonian gasket[8]), or imitations of the style of other cartoonists (as during “parody week”). Occasionally, realism is featured.[9][10]

    The comic is available under the Creative Commons Attribution-NonCommercial 2.5 License.[11] New comics are added three times a week, every Monday, Wednesday, and Friday,[3] at midnight EST[12] although so far they have been updated every weekday on three occasions: parody week, the five-part ‘Choices’ series and the 1337 series.xkcd is a webcomic created by Randall Munroe,[1][2] a former contractor for NASA.[3] It calls itself “a webcomic of romance, sarcasm, math, and language.”[4][5] The site states there is no particular meaning to the name,[5] that it is simply a “treasured and carefully-guarded point in the space of four-character strings.”[6]

    The subjects of the comics themselves vary. Some are statements on life and love (some love strips are simply art with poetry), and some are mathematical or scientific in-jokes. Some strips feature simple humor or pop-culture references. Although known for its crudely drawn cast of oddball stick figures,[7][2] the comic occasionally features landscapes, intricate mathematical patterns such as fractals (for example, strip #17 “What If” shows an Apollonian gasket[8]), or imitations of the style of other cartoonists (as during “parody week”). Occasionally, realism is featured.[9][10]

    The comic is available under the Creative Commons Attribution-NonCommercial 2.5 License.[11] New comics are added three times a week, every Monday, Wednesday, and Friday,[3] at midnight EST[12] although so far they have been updated every weekday on three occasions: parody week, the five-part ‘Choices’ series and the 1337 series.xkcd is a webcomic created by Randall Munroe,[1][2] a former contractor for NASA.[3] It calls itself “a webcomic of romance, sarcasm, math, and language.”[4][5] The site states there is no particular meaning to the name,[5] that it is simply a “treasured and carefully-guarded point in the space of four-character strings.”[6]

    The subjects of the comics themselves vary. Some are statements on life and love (some love strips are simply art with poetry), and some are mathematical or scientific in-jokes. Some strips feature simple humor or pop-culture references. Although known for its crudely drawn cast of oddball stick figures,[7][2] the comic occasionally features landscapes, intricate mathematical patterns such as fractals (for example, strip #17 “What If” shows an Apollonian gasket[8]), or imitations of the style of other cartoonists (as during “parody week”). Occasionally, realism is featured.[9][10]

    The comic is available under the Creative Commons Attribution-NonCommercial 2.5 License.[11] New comics are added three times a week, every Monday, Wednesday, and Friday,[3] at midnight EST[12] although so far they have been updated every weekday on three occasions: parody week, the five-part ‘Choices’ series and the 1337 series.xkcd is a webcomic created by Randall Munroe,[1][2] a former contractor for NASA.[3] It calls itself “a webcomic of romance, sarcasm, math, and language.”[4][5] The site states there is no particular meaning to the name,[5] that it is simply a “treasured and carefully-guarded point in the space of four-character strings.”[6]

    The subjects of the comics themselves vary. Some are statements on life and love (some love strips are simply art with poetry), and some are mathematical or scientific in-jokes. Some strips feature simple humor or pop-culture references. Although known for its crudely drawn cast of oddball stick figures,[7][2] the comic occasionally features landscapes, intricate mathematical patterns such as fractals (for example, strip #17 “What If” shows an Apollonian gasket[8]), or imitations of the style of other cartoonists (as during “parody week”). Occasionally, realism is featured.[9][10]

    The comic is available under the Creative Commons Attribution-NonCommercial 2.5 License.[11] New comics are added three times a week, every Monday, Wednesday, and Friday,[3] at midnight EST[12] although so far they have been updated every weekday on three occasions: parody week, the five-part ‘Choices’ series and the 1337 series.xkcd is a webcomic created by Randall Munroe,[1][2] a former contractor for NASA.[3] It calls itself “a webcomic of romance, sarcasm, math, and language.”[4][5] The site states there is no particular meaning to the name,[5] that it is simply a “treasured and carefully-guarded point in the space of four-character strings.”[6]

    The subjects of the comics themselves vary. Some are statements on life and love (some love strips are simply art with poetry), and some are mathematical or scientific in-jokes. Some strips feature simple humor or pop-culture references. Although known for its crudely drawn cast of oddball stick figures,[7][2] the comic occasionally features landscapes, intricate mathematical patterns such as fractals (for example, strip #17 “What If” shows an Apollonian gasket[8]), or imitations of the style of other cartoonists (as during “parody week”). Occasionally, realism is featured.[9][10]

    The comic is available under the Creative Commons Attribution-NonCommercial 2.5 License.[11] New comics are added three times a week, every Monday, Wednesday, and Friday,[3] at midnight EST[12] although so far they have been updated every weekday on three occasions: parody week, the five-part ‘Choices’ series and the 1337 series.xkcd is a webcomic created by Randall Munroe,[1][2] a former contractor for NASA.[3] It calls itself “a webcomic of romance, sarcasm, math, and language.”[4][5] The site states there is no particular meaning to the name,[5] that it is simply a “treasured and carefully-guarded point in the space of four-character strings.”[6]

    The subjects of the comics themselves vary. Some are statements on life and love (some love strips are simply art with poetry), and some are mathematical or scientific in-jokes. Some strips feature simple humor or pop-culture references. Although known for its crudely drawn cast of oddball stick figures,[7][2] the comic occasionally features landscapes, intricate mathematical patterns such as fractals (for example, strip #17 “What If” shows an Apollonian gasket[8]), or imitations of the style of other cartoonists (as during “parody week”). Occasionally, realism is featured.[9][10]

    The comic is available under the Creative Commons Attribution-NonCommercial 2.5 License.[11] New comics are added three times a week, every Monday, Wednesday, and Friday,[3] at midnight EST[12] although so far they have been updated every weekday on three occasions: parody week, the five-part ‘Choices’ series and the 1337 series.xkcd is a webcomic created by Randall Munroe,[1][2] a former contractor for NASA.[3] It calls itself “a webcomic of romance, sarcasm, math, and language.”[4][5] The site states there is no particular meaning to the name,[5] that it is simply a “treasured and carefully-guarded point in the space of four-character strings.”[6]

    The subjects of the comics themselves vary. Some are statements on life and love (some love strips are simply art with poetry), and some are mathematical or scientific in-jokes. Some strips feature simple humor or pop-culture references. Although known for its crudely drawn cast of oddball stick figures,[7][2] the comic occasionally features landscapes, intricate mathematical patterns such as fractals (for example, strip #17 “What If” shows an Apollonian gasket[8]), or imitations of the style of other cartoonists (as during “parody week”). Occasionally, realism is featured.[9][10]

    The comic is available under the Creative Commons Attribution-NonCommercial 2.5 License.[11] New comics are added three times a week, every Monday, Wednesday, and Friday,[3] at midnight EST[12] although so far they have been updated every weekday on three occasions: parody week, the five-part ‘Choices’ series and the 1337 series.xkcd is a webcomic created by Randall Munroe,[1][2] a former contractor for NASA.[3] It calls itself “a webcomic of romance, sarcasm, math, and language.”[4][5] The site states there is no particular meaning to the name,[5] that it is simply a “treasured and carefully-guarded point in the space of four-character strings.”[6]

    The subjects of the comics themselves vary. Some are statements on life and love (some love strips are simply art with poetry), and some are mathematical or scientific in-jokes. Some strips feature simple humor or pop-culture references. Although known for its crudely drawn cast of oddball stick figures,[7][2] the comic occasionally features landscapes, intricate mathematical patterns such as fractals (for example, strip #17 “What If” shows an Apollonian gasket[8]), or imitations of the style of other cartoonists (as during “parody week”). Occasionally, realism is featured.[9][10]

    The comic is available under the Creative Commons Attribution-NonCommercial 2.5 License.[11] New comics are added three times a week, every Monday, Wednesday, and Friday,[3] at midnight EST[12] although so far they have been updated every weekday on three occasions: parody week, the five-part ‘Choices’ series and the 1337 series.xkcd is a webcomic created by Randall Munroe,[1][2] a former contractor for NASA.[3] It calls itself “a webcomic of romance, sarcasm, math, and language.”[4][5] The site states there is no particular meaning to the name,[5] that it is simply a “treasured and carefully-guarded point in the space of four-character strings.”[6]

    The subjects of the comics themselves vary. Some are statements on life and love (some love strips are simply art with poetry), and some are mathematical or scientific in-jokes. Some strips feature simple humor or pop-culture references. Although known for its crudely drawn cast of oddball stick figures,[7][2] the comic occasionally features landscapes, intricate mathematical patterns such as fractals (for example, strip #17 “What If” shows an Apollonian gasket[8]), or imitations of the style of other cartoonists (as during “parody week”). Occasionally, realism is featured.[9][10]

    The comic is available under the Creative Commons Attribution-NonCommercial 2.5 License.[11] New comics are added three times a week, every Monday, Wednesday, and Friday,[3] at midnight EST[12] although so far they have been updated every weekday on three occasions: parody week, the five-part ‘Choices’ series and the 1337 series.xkcd is a webcomic created by Randall Munroe,[1][2] a former contractor for NASA.[3] It calls itself “a webcomic of romance, sarcasm, math, and language.”[4][5] The site states there is no particular meaning to the name,[5] that it is simply a “treasured and carefully-guarded point in the space of four-character strings.”[6]

    The subjects of the comics themselves vary. Some are statements on life and love (some love strips are simply art with poetry), and some are mathematical or scientific in-jokes. Some strips feature simple humor or pop-culture references. Although known for its crudely drawn cast of oddball stick figures,[7][2] the comic occasionally features landscapes, intricate mathematical patterns such as fractals (for example, strip #17 “What If” shows an Apollonian gasket[8]), or imitations of the style of other cartoonists (as during “parody week”). Occasionally, realism is featured.[9][10]

    The comic is available under the Creative Commons Attribution-NonCommercial 2.5 License.[11] New comics are added three times a week, every Monday, Wednesday, and Friday,[3] at midnight EST[12] although so far they have been updated every weekday on three occasions: parody week, the five-part ‘Choices’ series and the 1337 series.xkcd is a webcomic created by Randall Munroe,[1][2] a former contractor for NASA.[3] It calls itself “a webcomic of romance, sarcasm, math, and language.”[4][5] The site states there is no particular meaning to the name,[5] that it is simply a “treasured and carefully-guarded point in the space of four-character strings.”[6]

    The subjects of the comics themselves vary. Some are statements on life and love (some love strips are simply art with poetry), and some are mathematical or scientific in-jokes. Some strips feature simple humor or pop-culture references. Although known for its crudely drawn cast of oddball stick figures,[7][2] the comic occasionally features landscapes, intricate mathematical patterns such as fractals (for example, strip #17 “What If” shows an Apollonian gasket[8]), or imitations of the style of other cartoonists (as during “parody week”). Occasionally, realism is featured.[9][10]

    The comic is available under the Creative Commons Attribution-NonCommercial 2.5 License.[11] New comics are added three times a week, every Monday, Wednesday, and Friday,[3] at midnight EST[12] although so far they have been updated every weekday on three occasions: parody week, the five-part ‘Choices’ series and the 1337 series.xkcd is a webcomic created by Randall Munroe,[1][2] a former contractor for NASA.[3] It calls itself “a webcomic of romance, sarcasm, math, and language.”[4][5] The site states there is no particular meaning to the name,[5] that it is simply a “treasured and carefully-guarded point in the space of four-character strings.”[6]

    The subjects of the comics themselves vary. Some are statements on life and love (some love strips are simply art with poetry), and some are mathematical or scientific in-jokes. Some strips feature simple humor or pop-culture references. Although known for its crudely drawn cast of oddball stick figures,[7][2] the comic occasionally features landscapes, intricate mathematical patterns such as fractals (for example, strip #17 “What If” shows an Apollonian gasket[8]), or imitations of the style of other cartoonists (as during “parody week”). Occasionally, realism is featured.[9][10]

    The comic is available under the Creative Commons Attribution-NonCommercial 2.5 License.[11] New comics are added three times a week, every Monday, Wednesday, and Friday,[3] at midnight EST[12] although so far they have been updated every weekday on three occasions: parody week, the five-part ‘Choices’ series and the 1337 series.xkcd is a webcomic created by Randall Munroe,[1][2] a former contractor for NASA.[3] It calls itself “a webcomic of romance, sarcasm, math, and language.”[4][5] The site states there is no particular meaning to the name,[5] that it is simply a “treasured and carefully-guarded point in the space of four-character strings.”[6]

    The subjects of the comics themselves vary. Some are statements on life and love (some love strips are simply art with poetry), and some are mathematical or scientific in-jokes. Some strips feature simple humor or pop-culture references. Although known for its crudely drawn cast of oddball stick figures,[7][2] the comic occasionally features landscapes, intricate mathematical patterns such as fractals (for example, strip #17 “What If” shows an Apollonian gasket[8]), or imitations of the style of other cartoonists (as during “parody week”). Occasionally, realism is featured.[9][10]

    The comic is available under the Creative Commons Attribution-NonCommercial 2.5 License.[11] New comics are added three times a week, every Monday, Wednesday, and Friday,[3] at midnight EST[12] although so far they have been updated every weekday on three occasions: parody week, the five-part ‘Choices’ series and the 1337 series.xkcd is a webcomic created by Randall Munroe,[1][2] a former contractor for NASA.[3] It calls itself “a webcomic of romance, sarcasm, math, and language.”[4][5] The site states there is no particular meaning to the name,[5] that it is simply a “treasured and carefully-guarded point in the space of four-character strings.”[6]

    The subjects of the comics themselves vary. Some are statements on life and love (some love strips are simply art with poetry), and some are mathematical or scientific in-jokes. Some strips feature simple humor or pop-culture references. Although known for its crudely drawn cast of oddball stick figures,[7][2] the comic occasionally features landscapes, intricate mathematical patterns such as fractals (for example, strip #17 “What If” shows an Apollonian gasket[8]), or imitations of the style of other cartoonists (as during “parody week”). Occasionally, realism is featured.[9][10]

    The comic is available under the Creative Commons Attribution-NonCommercial 2.5 License.[11] New comics are added three times a week, every Monday, Wednesday, and Friday,[3] at midnight EST[12] although so far they have been updated every weekday on three occasions: parody week, the five-part ‘Choices’ series and the 1337 series.xkcd is a webcomic created by Randall Munroe,[1][2] a former contractor for NASA.[3] It calls itself “a webcomic of romance, sarcasm, math, and language.”[4][5] The site states there is no particular meaning to the name,[5] that it is simply a “treasured and carefully-guarded point in the space of four-character strings.”[6]

    The subjects of the comics themselves vary. Some are statements on life and love (some love strips are simply art with poetry), and some are mathematical or scientific in-jokes. Some strips feature simple humor or pop-culture references. Although known for its crudely drawn cast of oddball stick figures,[7][2] the comic occasionally features landscapes, intricate mathematical patterns such as fractals (for example, strip #17 “What If” shows an Apollonian gasket[8]), or imitations of the style of other cartoonists (as during “parody week”). Occasionally, realism is featured.[9][10]

    The comic is available under the Creative Commons Attribution-NonCommercial 2.5 License.[11] New comics are added three times a week, every Monday, Wednesday, and Friday,[3] at midnight EST[12] although so far they have been updated every weekday on three occasions: parody week, the five-part ‘Choices’ series and the 1337 series.xkcd is a webcomic created by Randall Munroe,[1][2] a former contractor for NASA.[3] It calls itself “a webcomic of romance, sarcasm, math, and language.”[4][5] The site states there is no particular meaning to the name,[5] that it is simply a “treasured and carefully-guarded point in the space of four-character strings.”[6]

    The subjects of the comics themselves vary. Some are statements on life and love (some love strips are simply art with poetry), and some are mathematical or scientific in-jokes. Some strips feature simple humor or pop-culture references. Although known for its crudely drawn cast of oddball stick figures,[7][2] the comic occasionally features landscapes, intricate mathematical patterns such as fractals (for example, strip #17 “What If” shows an Apollonian gasket[8]), or imitations of the style of other cartoonists (as during “parody week”). Occasionally, realism is featured.[9][10]

    The comic is available under the Creative Commons Attribution-NonCommercial 2.5 License.[11] New comics are added three times a week, every Monday, Wednesday, and Friday,[3] at midnight EST[12] although so far they have been updated every weekday on three occasions: parody week, the five-part ‘Choices’ series and the 1337 series.xkcd is a webcomic created by Randall Munroe,[1][2] a former contractor for NASA.[3] It calls itself “a webcomic of romance, sarcasm, math, and language.”[4][5] The site states there is no particular meaning to the name,[5] that it is simply a “treasured and carefully-guarded point in the space of four-character strings.”[6]

    The subjects of the comics themselves vary. Some are statements on life and love (some love strips are simply art with poetry), and some are mathematical or scientific in-jokes. Some strips feature simple humor or pop-culture references. Although known for its crudely drawn cast of oddball stick figures,[7][2] the comic occasionally features landscapes, intricate mathematical patterns such as fractals (for example, strip #17 “What If” shows an Apollonian gasket[8]), or imitations of the style of other cartoonists (as during “parody week”). Occasionally, realism is featured.[9][10]

    The comic is available under the Creative Commons Attribution-NonCommercial 2.5 License.[11] New comics are added three times a week, every Monday, Wednesday, and Friday,[3] at midnight EST[12] although so far they have been updated every weekday on three occasions: parody week, the five-part ‘Choices’ series and the 1337 series.xkcd is a webcomic created by Randall Munroe,[1][2] a former contractor for NASA.[3] It calls itself “a webcomic of romance, sarcasm, math, and language.”[4][5] The site states there is no particular meaning to the name,[5] that it is simply a “treasured and carefully-guarded point in the space of four-character strings.”[6]

    The subjects of the comics themselves vary. Some are statements on life and love (some love strips are simply art with poetry), and some are mathematical or scientific in-jokes. Some strips feature simple humor or pop-culture references. Although known for its crudely drawn cast of oddball stick figures,[7][2] the comic occasionally features landscapes, intricate mathematical patterns such as fractals (for example, strip #17 “What If” shows an Apollonian gasket[8]), or imitations of the style of other cartoonists (as during “parody week”). Occasionally, realism is featured.[9][10]

    The comic is available under the Creative Commons Attribution-NonCommercial 2.5 License.[11] New comics are added three times a week, every Monday, Wednesday, and Friday,[3] at midnight EST[12] although so far they have been updated every weekday on three occasions: parody week, the five-part ‘Choices’ series and the 1337 series.xkcd is a webcomic created by Randall Munroe,[1][2] a former contractor for NASA.[3] It calls itself “a webcomic of romance, sarcasm, math, and language.”[4][5] The site states there is no particular meaning to the name,[5] that it is simply a “treasured and carefully-guarded point in the space of four-character strings.”[6]

    The subjects of the comics themselves vary. Some are statements on life and love (some love strips are simply art with poetry), and some are mathematical or scientific in-jokes. Some strips feature simple humor or pop-culture references. Although known for its crudely drawn cast of oddball stick figures,[7][2] the comic occasionally features landscapes, intricate mathematical patterns such as fractals (for example, strip #17 “What If” shows an Apollonian gasket[8]), or imitations of the style of other cartoonists (as during “parody week”). Occasionally, realism is featured.[9][10]

    The comic is available under the Creative Commons Attribution-NonCommercial 2.5 License.[11] New comics are added three times a week, every Monday, Wednesday, and Friday,[3] at midnight EST[12] although so far they have been updated every weekday on three occasions: parody week, the five-part ‘Choices’ series and the 1337 series.xkcd is a webcomic created by Randall Munroe,[1][2] a former contractor for NASA.[3] It calls itself “a webcomic of romance, sarcasm, math, and language.”[4][5] The site states there is no particular meaning to the name,[5] that it is simply a “treasured and carefully-guarded point in the space of four-character strings.”[6]

    The subjects of the comics themselves vary. Some are statements on life and love (some love strips are simply art with poetry), and some are mathematical or scientific in-jokes. Some strips feature simple humor or pop-culture references. Although known for its crudely drawn cast of oddball stick figures,[7][2] the comic occasionally features landscapes, intricate mathematical patterns such as fractals (for example, strip #17 “What If” shows an Apollonian gasket[8]), or imitations of the style of other cartoonists (as during “parody week”). Occasionally, realism is featured.[9][10]

    The comic is available under the Creative Commons Attribution-NonCommercial 2.5 License.[11] New comics are added three times a week, every Monday, Wednesday, and Friday,[3] at midnight EST[12] although so far they have been updated every weekday on three occasions: parody week, the five-part ‘Choices’ series and the 1337 series.xkcd is a webcomic created by Randall Munroe,[1][2] a former contractor for NASA.[3] It calls itself “a webcomic of romance, sarcasm, math, and language.”[4][5] The site states there is no particular meaning to the name,[5] that it is simply a “treasured and carefully-guarded point in the space of four-character strings.”[6]

    The subjects of the comics themselves vary. Some are statements on life and love (some love strips are simply art with poetry), and some are mathematical or scientific in-jokes. Some strips feature simple humor or pop-culture references. Although known for its crudely drawn cast of oddball stick figures,[7][2] the comic occasionally features landscapes, intricate mathematical patterns such as fractals (for example, strip #17 “What If” shows an Apollonian gasket[8]), or imitations of the style of other cartoonists (as during “parody week”). Occasionally, realism is featured.[9][10]

    The comic is available under the Creative Commons Attribution-NonCommercial 2.5 License.[11] New comics are added three times a week, every Monday, Wednesday, and Friday,[3] at midnight EST[12] although so far they have been updated every weekday on three occasions: parody week, the five-part ‘Choices’ series and the 1337 series.xkcd is a webcomic created by Randall Munroe,[1][2] a former contractor for NASA.[3] It calls itself “a webcomic of romance, sarcasm, math, and language.”[4][5] The site states there is no particular meaning to the name,[5] that it is simply a “treasured and carefully-guarded point in the space of four-character strings.”[6]

    The subjects of the comics themselves vary. Some are statements on life and love (some love strips are simply art with poetry), and some are mathematical or scientific in-jokes. Some strips feature simple humor or pop-culture references. Although known for its crudely drawn cast of oddball stick figures,[7][2] the comic occasionally features landscapes, intricate mathematical patterns such as fractals (for example, strip #17 “What If” shows an Apollonian gasket[8]), or imitations of the style of other cartoonists (as during “parody week”). Occasionally, realism is featured.[9][10]

    The comic is available under the Creative Commons Attribution-NonCommercial 2.5 License.[11] New comics are added three times a week, every Monday, Wednesday, and Friday,[3] at midnight EST[12] although so far they have been updated every weekday on three occasions: parody week, the five-part ‘Choices’ series and the 1337 series.xkcd is a webcomic created by Randall Munroe,[1][2] a former contractor for NASA.[3] It calls itself “a webcomic of romance, sarcasm, math, and language.”[4][5] The site states there is no particular meaning to the name,[5] that it is simply a “treasured and carefully-guarded point in the space of four-character strings.”[6]

    The subjects of the comics themselves vary. Some are statements on life and love (some love strips are simply art with poetry), and some are mathematical or scientific in-jokes. Some strips feature simple humor or pop-culture references. Although known for its crudely drawn cast of oddball stick figures,[7][2] the comic occasionally features landscapes, intricate mathematical patterns such as fractals (for example, strip #17 “What If” shows an Apollonian gasket[8]), or imitations of the style of other cartoonists (as during “parody week”). Occasionally, realism is featured.[9][10]

    The comic is available under the Creative Commons Attribution-NonCommercial 2.5 License.[11] New comics are added three times a week, every Monday, Wednesday, and Friday,[3] at midnight EST[12] although so far they have been updated every weekday on three occasions: parody week, the five-part ‘Choices’ series and the 1337 series.xkcd is a webcomic created by Randall Munroe,[1][2] a former contractor for NASA.[3] It calls itself “a webcomic of romance, sarcasm, math, and language.”[4][5] The site states there is no particular meaning to the name,[5] that it is simply a “treasured and carefully-guarded point in the space of four-character strings.”[6]

    The subjects of the comics themselves vary. Some are statements on life and love (some love strips are simply art with poetry), and some are mathematical or scientific in-jokes. Some strips feature simple humor or pop-culture references. Although known for its crudely drawn cast of oddball stick figures,[7][2] the comic occasionally features landscapes, intricate mathematical patterns such as fractals (for example, strip #17 “What If” shows an Apollonian gasket[8]), or imitations of the style of other cartoonists (as during “parody week”). Occasionally, realism is featured.[9][10]

    The comic is available under the Creative Commons Attribution-NonCommercial 2.5 License.[11] New comics are added three times a week, every Monday, Wednesday, and Friday,[3] at midnight EST[12] although so far they have been updated every weekday on three occasions: parody week, the five-part ‘Choices’ series and the 1337 series.xkcd is a webcomic created by Randall Munroe,[1][2] a former contractor for NASA.[3] It calls itself “a webcomic of romance, sarcasm, math, and language.”[4][5] The site states there is no particular meaning to the name,[5] that it is simply a “treasured and carefully-guarded point in the space of four-character strings.”[6]

    The subjects of the comics themselves vary. Some are statements on life and love (some love strips are simply art with poetry), and some are mathematical or scientific in-jokes. Some strips feature simple humor or pop-culture references. Although known for its crudely drawn cast of oddball stick figures,[7][2] the comic occasionally features landscapes, intricate mathematical patterns such as fractals (for example, strip #17 “What If” shows an Apollonian gasket[8]), or imitations of the style of other cartoonists (as during “parody week”). Occasionally, realism is featured.[9][10]

    The comic is available under the Creative Commons Attribution-NonCommercial 2.5 License.[11] New comics are added three times a week, every Monday, Wednesday, and Friday,[3] at midnight EST[12] although so far they have been updated every weekday on three occasions: parody week, the five-part ‘Choices’ series and the 1337 series.xkcd is a webcomic created by Randall Munroe,[1][2] a former contractor for NASA.[3] It calls itself “a webcomic of romance, sarcasm, math, and language.”[4][5] The site states there is no particular meaning to the name,[5] that it is simply a “treasured and carefully-guarded point in the space of four-character strings.”[6]

    The subjects of the comics themselves vary. Some are statements on life and love (some love strips are simply art with poetry), and some are mathematical or scientific in-jokes. Some strips feature simple humor or pop-culture references. Although known for its crudely drawn cast of oddball stick figures,[7][2] the comic occasionally features landscapes, intricate mathematical patterns such as fractals (for example, strip #17 “What If” shows an Apollonian gasket[8]), or imitations of the style of other cartoonists (as during “parody week”). Occasionally, realism is featured.[9][10]

    The comic is available under the Creative Commons Attribution-NonCommercial 2.5 License.[11] New comics are added three times a week, every Monday, Wednesday, and Friday,[3] at midnight EST[12] although so far they have been updated every weekday on three occasions: parody week, the five-part ‘Choices’ series and the 1337 series.xkcd is a webcomic created by Randall Munroe,[1][2] a former contractor for NASA.[3] It calls itself “a webcomic of romance, sarcasm, math, and language.”[4][5] The site states there is no particular meaning to the name,[5] that it is simply a “treasured and carefully-guarded point in the space of four-character strings.”[6]

    The subjects of the comics themselves vary. Some are statements on life and love (some love strips are simply art with poetry), and some are mathematical or scientific in-jokes. Some strips feature simple humor or pop-culture references. Although known for its crudely drawn cast of oddball stick figures,[7][2] the comic occasionally features landscapes, intricate mathematical patterns such as fractals (for example, strip #17 “What If” shows an Apollonian gasket[8]), or imitations of the style of other cartoonists (as during “parody week”). Occasionally, realism is featured.[9][10]

    The comic is available under the Creative Commons Attribution-NonCommercial 2.5 License.[11] New comics are added three times a week, every Monday, Wednesday, and Friday,[3] at midnight EST[12] although so far they have been updated every weekday on three occasions: parody week, the five-part ‘Choices’ series and the 1337 series.xkcd is a webcomic created by Randall Munroe,[1][2] a former contractor for NASA.[3] It calls itself “a webcomic of romance, sarcasm, math, and language.”[4][5] The site states there is no particular meaning to the name,[5] that it is simply a “treasured and carefully-guarded point in the space of four-character strings.”[6]

    The subjects of the comics themselves vary. Some are statements on life and love (some love strips are simply art with poetry), and some are mathematical or scientific in-jokes. Some strips feature simple humor or pop-culture references. Although known for its crudely drawn cast of oddball stick figures,[7][2] the comic occasionally features landscapes, intricate mathematical patterns such as fractals (for example, strip #17 “What If” shows an Apollonian gasket[8]), or imitations of the style of other cartoonists (as during “parody week”). Occasionally, realism is featured.[9][10]

    The comic is available under the Creative Commons Attribution-NonCommercial 2.5 License.[11] New comics are added three times a week, every Monday, Wednesday, and Friday,[3] at midnight EST[12] although so far they have been updated every weekday on three occasions: parody week, the five-part ‘Choices’ series and the 1337 series.xkcd is a webcomic created by Randall Munroe,[1][2] a former contractor for NASA.[3] It calls itself “a webcomic of romance, sarcasm, math, and language.”[4][5] The site states there is no particular meaning to the name,[5] that it is simply a “treasured and carefully-guarded point in the space of four-character strings.”[6]

    The subjects of the comics themselves vary. Some are statements on life and love (some love strips are simply art with poetry), and some are mathematical or scientific in-jokes. Some strips feature simple humor or pop-culture references. Although known for its crudely drawn cast of oddball stick figures,[7][2] the comic occasionally features landscapes, intricate mathematical patterns such as fractals (for example, strip #17 “What If” shows an Apollonian gasket[8]), or imitations of the style of other cartoonists (as during “parody week”). Occasionally, realism is featured.[9][10]

    The comic is available under the Creative Commons Attribution-NonCommercial 2.5 License.[11] New comics are added three times a week, every Monday, Wednesday, and Friday,[3] at midnight EST[12] although so far they have been updated every weekday on three occasions: parody week, the five-part ‘Choices’ series and the 1337 series.xkcd is a webcomic created by Randall Munroe,[1][2] a former contractor for NASA.[3] It calls itself “a webcomic of romance, sarcasm, math, and language.”[4][5] The site states there is no particular meaning to the name,[5] that it is simply a “treasured and carefully-guarded point in the space of four-character strings.”[6]

    The subjects of the comics themselves vary. Some are statements on life and love (some love strips are simply art with poetry), and some are mathematical or scientific in-jokes. Some strips feature simple humor or pop-culture references. Although known for its crudely drawn cast of oddball stick figures,[7][2] the comic occasionally features landscapes, intricate mathematical patterns such as fractals (for example, strip #17 “What If” shows an Apollonian gasket[8]), or imitations of the style of other cartoonists (as during “parody week”). Occasionally, realism is featured.[9][10]

    The comic is available under the Creative Commons Attribution-NonCommercial 2.5 License.[11] New comics are added three times a week, every Monday, Wednesday, and Friday,[3] at midnight EST[12] although so far they have been updated every weekday on three occasions: parody week, the five-part ‘Choices’ series and the 1337 series.xkcd is a webcomic created by Randall Munroe,[1][2] a former contractor for NASA.[3] It calls itself “a webcomic of romance, sarcasm, math, and language.”[4][5] The site states there is no particular meaning to the name,[5] that it is simply a “treasured and carefully-guarded point in the space of four-character strings.”[6]

    The subjects of the comics themselves vary. Some are statements on life and love (some love strips are simply art with poetry), and some are mathematical or scientific in-jokes. Some strips feature simple humor or pop-culture references. Although known for its crudely drawn cast of oddball stick figures,[7][2] the comic occasionally features landscapes, intricate mathematical patterns such as fractals (for example, strip #17 “What If” shows an Apollonian gasket[8]), or imitations of the style of other cartoonists (as during “parody week”). Occasionally, realism is featured.[9][10]

    The comic is available under the Creative Commons Attribution-NonCommercial 2.5 License.[11] New comics are added three times a week, every Monday, Wednesday, and Friday,[3] at midnight EST[12] although so far they have been updated every weekday on three occasions: parody week, the five-part ‘Choices’ series and the 1337 series.xkcd is a webcomic created by Randall Munroe,[1][2] a former contractor for NASA.[3] It calls itself “a webcomic of romance, sarcasm, math, and language.”[4][5] The site states there is no particular meaning to the name,[5] that it is simply a “treasured and carefully-guarded point in the space of four-character strings.”[6]

    The subjects of the comics themselves vary. Some are statements on life and love (some love strips are simply art with poetry), and some are mathematical or scientific in-jokes. Some strips feature simple humor or pop-culture references. Although known for its crudely drawn cast of oddball stick figures,[7][2] the comic occasionally features landscapes, intricate mathematical patterns such as fractals (for example, strip #17 “What If” shows an Apollonian gasket[8]), or imitations of the style of other cartoonists (as during “parody week”). Occasionally, realism is featured.[9][10]

    The comic is available under the Creative Commons Attribution-NonCommercial 2.5 License.[11] New comics are added three times a week, every Monday, Wednesday, and Friday,[3] at midnight EST[12] although so far they have been updated every weekday on three occasions: parody week, the five-part ‘Choices’ series and the 1337 series.xkcd is a webcomic created by Randall Munroe,[1][2] a former contractor for NASA.[3] It calls itself “a webcomic of romance, sarcasm, math, and language.”[4][5] The site states there is no particular meaning to the name,[5] that it is simply a “treasured and carefully-guarded point in the space of four-character strings.”[6]

    The subjects of the comics themselves vary. Some are statements on life and love (some love strips are simply art with poetry), and some are mathematical or scientific in-jokes. Some strips feature simple humor or pop-culture references. Although known for its crudely drawn cast of oddball stick figures,[7][2] the comic occasionally features landscapes, intricate mathematical patterns such as fractals (for example, strip #17 “What If” shows an Apollonian gasket[8]), or imitations of the style of other cartoonists (as during “parody week”). Occasionally, realism is featured.[9][10]

    The comic is available under the Creative Commons Attribution-NonCommercial 2.5 License.[11] New comics are added three times a week, every Monday, Wednesday, and Friday,[3] at midnight EST[12] although so far they have been updated every weekday on three occasions: parody week, the five-part ‘Choices’ series and the 1337 series.xkcd is a webcomic created by Randall Munroe,[1][2] a former contractor for NASA.[3] It calls itself “a webcomic of romance, sarcasm, math, and language.”[4][5] The site states there is no particular meaning to the name,[5] that it is simply a “treasured and carefully-guarded point in the space of four-character strings.”[6]

    The subjects of the comics themselves vary. Some are statements on life and love (some love strips are simply art with poetry), and some are mathematical or scientific in-jokes. Some strips feature simple humor or pop-culture references. Although known for its crudely drawn cast of oddball stick figures,[7][2] the comic occasionally features landscapes, intricate mathematical patterns such as fractals (for example, strip #17 “What If” shows an Apollonian gasket[8]), or imitations of the style of other cartoonists (as during “parody week”). Occasionally, realism is featured.[9][10]

    The comic is available under the Creative Commons Attribution-NonCommercial 2.5 License.[11] New comics are added three times a week, every Monday, Wednesday, and Friday,[3] at midnight EST[12] although so far they have been updated every weekday on three occasions: parody week, the five-part ‘Choices’ series and the 1337 series.xkcd is a webcomic created by Randall Munroe,[1][2] a former contractor for NASA.[3] It calls itself “a webcomic of romance, sarcasm, math, and language.”[4][5] The site states there is no particular meaning to the name,[5] that it is simply a “treasured and carefully-guarded point in the space of four-character strings.”[6]

    The subjects of the comics themselves vary. Some are statements on life and love (some love strips are simply art with poetry), and some are mathematical or scientific in-jokes. Some strips feature simple humor or pop-culture references. Although known for its crudely drawn cast of oddball stick figures,[7][2] the comic occasionally features landscapes, intricate mathematical patterns such as fractals (for example, strip #17 “What If” shows an Apollonian gasket[8]), or imitations of the style of other cartoonists (as during “parody week”). Occasionally, realism is featured.[9][10]

    The comic is available under the Creative Commons Attribution-NonCommercial 2.5 License.[11] New comics are added three times a week, every Monday, Wednesday, and Friday,[3] at midnight EST[12] although so far they have been updated every weekday on three occasions: parody week, the five-part ‘Choices’ series and the 1337 series.xkcd is a webcomic created by Randall Munroe,[1][2] a former contractor for NASA.[3] It calls itself “a webcomic of romance, sarcasm, math, and language.”[4][5] The site states there is no particular meaning to the name,[5] that it is simply a “treasured and carefully-guarded point in the space of four-character strings.”[6]

    The subjects of the comics themselves vary. Some are statements on life and love (some love strips are simply art with poetry), and some are mathematical or scientific in-jokes. Some strips feature simple humor or pop-culture references. Although known for its crudely drawn cast of oddball stick figures,[7][2] the comic occasionally features landscapes, intricate mathematical patterns such as fractals (for example, strip #17 “What If” shows an Apollonian gasket[8]), or imitations of the style of other cartoonists (as during “parody week”). Occasionally, realism is featured.[9][10]

    The comic is available under the Creative Commons Attribution-NonCommercial 2.5 License.[11] New comics are added three times a week, every Monday, Wednesday, and Friday,[3] at midnight EST[12] although so far they have been updated every weekday on three occasions: parody week, the five-part ‘Choices’ series and the 1337 series.xkcd is a webcomic created by Randall Munroe,[1][2] a former contractor for NASA.[3] It calls itself “a webcomic of romance, sarcasm, math, and language.”[4][5] The site states there is no particular meaning to the name,[5] that it is simply a “treasured and carefully-guarded point in the space of four-character strings.”[6]

    The subjects of the comics themselves vary. Some are statements on life and love (some love strips are simply art with poetry), and some are mathematical or scientific in-jokes. Some strips feature simple humor or pop-culture references. Although known for its crudely drawn cast of oddball stick figures,[7][2] the comic occasionally features landscapes, intricate mathematical patterns such as fractals (for example, strip #17 “What If” shows an Apollonian gasket[8]), or imitations of the style of other cartoonists (as during “parody week”). Occasionally, realism is featured.[9][10]

    The comic is available under the Creative Commons Attribution-NonCommercial 2.5 License.[11] New comics are added three times a week, every Monday, Wednesday, and Friday,[3] at midnight EST[12] although so far they have been updated every weekday on three occasions: parody week, the five-part ‘Choices’ series and the 1337 series.xkcd is a webcomic created by Randall Munroe,[1][2] a former contractor for NASA.[3] It calls itself “a webcomic of romance, sarcasm, math, and language.”[4][5] The site states there is no particular meaning to the name,[5] that it is simply a “treasured and carefully-guarded point in the space of four-character strings.”[6]

    The subjects of the comics themselves vary. Some are statements on life and love (some love strips are simply art with poetry), and some are mathematical or scientific in-jokes. Some strips feature simple humor or pop-culture references. Although known for its crudely drawn cast of oddball stick figures,[7][2] the comic occasionally features landscapes, intricate mathematical patterns such as fractals (for example, strip #17 “What If” shows an Apollonian gasket[8]), or imitations of the style of other cartoonists (as during “parody week”). Occasionally, realism is featured.[9][10]

    The comic is available under the Creative Commons Attribution-NonCommercial 2.5 License.[11] New comics are added three times a week, every Monday, Wednesday, and Friday,[3] at midnight EST[12] although so far they have been updated every weekday on three occasions: parody week, the five-part ‘Choices’ series and the 1337 series.xkcd is a webcomic created by Randall Munroe,[1][2] a former contractor for NASA.[3] It calls itself “a webcomic of romance, sarcasm, math, and language.”[4][5] The site states there is no particular meaning to the name,[5] that it is simply a “treasured and carefully-guarded point in t