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The Goggles, They Do Nothing

Posted by michael on Sun Oct 03, 2004 06:24 PM
from the do-not-view-while-operating-machinery dept.
Entertainment Science
Suchetha writes "In anticipation of a slow news day i would like to direct the Slashdot hordes to Akiyoshi Kitaoka's Optical Illusions page. The page also has explanations on why/how they occur (in icky PDF format). The page is on a .jp uni server so they SHOULD be able to handle the herd of rhinos that is ./."
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  • Coral Cache Link! (Score:5, Informative)

    by Anonymous Coward on Sunday October 03 2004, @06:25PM (#10422948)
    Use the cache [nyud.net] so more people can see! Thanks!

  • Interesting warning on the site... (Score:5, Informative)

    by daveschroeder (516195) * <[ude.csiw.tiod] [ta] [sad]> on Sunday October 03 2004, @06:25PM (#10422950) Homepage
    Caution: This page contains some works of "anomalous motion illusion", which might make sensitive observers dizzy or sick. Should you feel dizzy, you had better leave this page immediately.

    Some of the pictures on this website can cause dizziness or might possibly epileptic seizures. The latter happens when the brain can't handle the conflicting information from your two eyes. If you start feeling unwell when using this website, immediately cover one eye with your hand and then leave the page. Do not close your eyes because that can make the attack worse.

    • Re:Interesting warning on the site... (Score:5, Funny)

      by Gannoc (210256) on Sunday October 03 2004, @06:38PM (#10423041)
      Some of the pictures on this website can cause dizziness or might possibly epileptic seizures.

      FINALLY, a web page that can kill! Its like one of those crappy movies from 1994 when the net seemed super-cool to Hollywood.

      "Slaughter.org: The Cyberkiller"

      "Jenny! Don't click on that hyperlink!"
      "Oh noze! She has been capslocked by the optical illusions! When the machine boots, it will lock down her mind forever!"
      "I can't reach the caps lock key!"
      "We'll have to hit the caps lock key... IN VIRTUAL REALITY!"
      [ Parent ]

    • A practical use... (Score:5, Interesting)

      by EmbeddedJanitor (597831) on Sunday October 03 2004, @07:39PM (#10423333)
      My son is a field hockey goalkeeper which, some while ago, lead me to think about things one could do to provide "optical diversions" to favour the goalkeeper. One of the things I considered was the use of camoflage techniques as done with navy ships of old, and soldiers through the ages, to break up the lines and confuse the oposition. Camoflage can be used to not only *hide* the person/object but can also be used to confuse the senses (eg. make it hard to tell which direction the objct is moving and what its features are) thus making it hard for someone aiming at a target. A delay of a second or so is often enough to give the edge. Anyway, back to the goalkeeper... if one could confuse the striker as to where the goalkeeper's arms etc are then it will take the striker a bit longer to get a shot off or cause them to miss their aim.

      These optical devices could potentially be quite useful... going to have a play :-).

      [ Parent ]

        • Re:Interesting warning on the site... (Score:4, Interesting)

          by attam (806532) on Sunday October 03 2004, @08:22PM (#10423541)
          they sure do! i didn't know if they would (i can't see those cool 3d effects with the glasses, since those require your brain to coprocess the difference between two images). apparently these illusions are based upon something different. probably just perspective.
          [ Parent ]

  • Exploratorium (Score:5, Interesting)

    by Jadsky (304239) on Sunday October 03 2004, @06:30PM (#10422990)
    Some of these are on display on out-of-the-way doors in the Exploratorium science museum in San Francisco. It looked like some of the staff members had printed them out and posted them there for their own personal satisfaction, but a lot of the visitors were finding themselves distracted from the bigger attractions to stare at these.

    It was trippy to have the spinning snakes one as my wallpaper for some time, but at six by four feet, it really does begin to make you a little dizzy.

  • Mirror (Score:5, Informative)

    by alienfluid (677872) on Sunday October 03 2004, @06:35PM (#10423014) Homepage
    Here here [lafayette.edu]

    • Re:Mirror (Score:5, Funny)

      by sabNetwork (416076) on Sunday October 03 2004, @07:15PM (#10423235)
      Damn.

      I read your subject and I was hoping for the optical illusion of a mirror.

      Alas, it was only a copy of the website.

      --
      [ Parent ]

  • sweet christ (Score:5, Funny)

    by Anonymous Coward on Sunday October 03 2004, @06:35PM (#10423021)
    I'm in cafe nursing a severe hangover. That shit almost made me yak all over my laptop.

  • Question (Score:5, Interesting)

    by RiotXIX (230569) on Sunday October 03 2004, @06:41PM (#10423060) Journal
    Is staring at these bad for your eyes? Ie. More than staring at a normal picture for say, one minute?


    Because I could...nay..have found myself staring at these for periods, and assummed I will get a bit of headache, of that they are bad for my vision (thus forcing myself to stop).

  • I know a certain coworker... (Score:4, Funny)

    by Anonymous Coward on Sunday October 03 2004, @06:44PM (#10423075)
    ... who is coming in to a new background image on their machine.

  • Dale Purves at the Duke Medical Center (Score:5, Interesting)

    by maceo1023 (632449) on Sunday October 03 2004, @06:54PM (#10423135)
    The laboratory of Dale Purves at the Duke University Medical Center is also researching visual illusions. Check out www.purveslab.net [purveslab.net] for interactive animations (yes, it's a Flash site).

    He's also written a book entitled Why We See What We Do: An Empirical Theory of Vision.

  • No vector files? (Score:4, Informative)

    by Frappuccino (813206) on Sunday October 03 2004, @07:04PM (#10423184)
    The guy took off the download page for the vector files because too many people were illegally using the files. So what if I wanted to download the Adobe Illustrator file of the roating snakes to print out a giant poster on my Epson 7600?

    Archive.org to the rescue!

    http://web.archive.org/web/20031203215948/www.psy. ritsumei.ac.jp/~akitaoka/download.html/ [archive.org]

    This will probably get slashdotted really quick because the archive.org servers are already slow. Someone make a mirror of this page quick so everyone can have a piece!

  • Bathroom Wallpaper (Score:5, Funny)

    by Superfreaker (581067) on Sunday October 03 2004, @07:08PM (#10423198) Homepage Journal
    I had seen this before and was looking for a custom wallpaper manufacturer to have the Rotating Snakes illusion made into wallpaper for my bathroom. Just for the entertainment of having my friends to to go to the bathroom after a long night of drinking...hilarity ensues.

  • The good doctor... (Score:4, Insightful)

    by eddy (18759) on Sunday October 03 2004, @07:51PM (#10423373) Homepage Journal

    ... should use PNG instead of GIF. First, as we all know, PNG aren't animated, so no-one will be fooled into thinking that maybe these are animated gifs ;-)

    But jesting aside; 310097 rotsnake.gif vs 262253 rotsnake.png, 46.7KB saved for that single image, or about ten seconds download time for a modem user.

  • Cool illusion: motion-induced blindness (Score:5, Interesting)

    by FleaPlus (6935) on Sunday October 03 2004, @08:05PM (#10423449) Homepage Journal
    A very cool illusion is available here [questforco...usness.com]. Try looking inside of the triangle defined by the yellow dots, as the blue dots wander around. After a few moments, the yellow dots begin to blink in and out of your visual consciousness. It's quite a powerful effect.

    • Re:t-shirts? (Score:5, Funny)

      by InfiniteWisdom (530090) on Sunday October 03 2004, @07:24PM (#10423286) Homepage
      You need to stare at it for a bit for it to work... a casual glance won't do it. Now maybe if it was on the front of a girl's tshirt...

      Actually that might be a good protection for girls that don't like guys staring at their chests :) Guy stares... 5 seconds later... epileptic seisure!
      [ Parent ]
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