# Interesting Visual Tricks

**URL:** <https://forum.kirupa.com/t/interesting-visual-tricks/89394>\
**Category:** random\
**Created:** [May 7, 2005, 10:25pm UTC](https://forum.kirupa.com/t/interesting-visual-tricks/89394 "2005-05-07T22:25:00Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![kirupa](https://yyz1.discourse-cdn.com/flex011/user_avatar/forum.kirupa.com/kirupa/32/11616_2.png) [@kirupa](https://forum.kirupa.com/u/kirupa)\
**Post date:** [May 7, 2005, 10:25pm UTC](https://forum.kirupa.com/t/interesting-visual-tricks/89394/1 "2005-05-07T22:25:00Z")

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Hey everyone,  
This site has a lot of videos of visual tricks that many of us would not notice unless we actually read the description of the experiment being performed: [**http://viscog.beckman.uiuc.edu/djs\_lab/demos.html**](http://viscog.beckman.uiuc.edu/djs_lab/demos.html)

My favorite still is:  
[http://viscog.beckman.uiuc.edu/grafs/demos/23.html](http://viscog.beckman.uiuc.edu/grafs/demos/23.html)

:crazy: