An Interactive Guide to Optical Illusions http://tr.im/onOg An Interactive Guide to Optical Illusions
In addition to dozens of interactive illusions, unique clicks include Do-It-Yourself Projects ("Six easy-to-do optical illusion projects in Adobe PDF format to tempt the curious.") and a Typography Section.
"Here is a familiar word with the top half missing. Can you read the word anyway? Place your mouse over the top half of the word. Now the bottom half goes away. Try to read the word both ways! Which is easier?"
Optical Illusions PowerPoints on SlideShare http://tr.im/onGX Optical Illusions PowerPoints on SlideShare
Optical Illusions ETC http://illusionsetc.blogspot.com/ Optical Illusions ETC
Presented here is a vast gallery of many different forms of Optical Illusions.
Whether these optical illusions are conveyed through fractals, photographs, architecture, art, or old fashioned pen and ink, they are bound to remind you that "seeing is not believing."
Some of the optical illusions on this blog may cause dizziness or 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.
Visual FunHouse http://visualfunhouse.com/ Visual FunHouse
Ray and Maria Strata center is a marvelous 720,000 sqft educational building designed by Frank Gehry. This architectural masterpiece was built in 2004.
Akiyoshis illusion pages http://www.ritsumei.ac.jp/~akitaoka/index-e.html Akiyoshi's illusion pages
Warning: 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.
83 Optical Illusions & Visual Phenomena http://www.michaelbach.de/ot/index.html 83 Optical Illusions & Visual Phenomena
These pages demonstrate visual phenomena, and optical or visual illusions.
The latter is more appropriate, because most effects have their basis in the visual pathway, not in the optics of the eye. When I find the time I will expand the explanations, to the degree that these phenomena are really understood; any nice and thoughtful comment welcome.
Cool Optical Illusions http://www.coolopticalillusions.com/ Cool Optical Illusions
We've become one of the largest free optical illusions websites online. Look around, you may agree that we're the best.
Stick around long enough, and your eyes might just pop out of your head!
Free Optical Illusions Pictures
Your will also find a colour blindness test here.
Spin-O-Vision http://www.ontariosciencecentre.ca/scizone/games/spinner/ Spin-O-Vision
Here, you see the impossible: the keyboard seems to grow, but you also see that its size doesn't change. Your brain is getting two different stories from your eyes, and for a moment, accepts them both!
Illusions Works http://illusionworks.com/ Illusions Works
Al Seckel's Homepage of Illusions, Perception & Cognitive Science
I am extensively collecting, researching, and experimenting with illusions to understand what conditions are necessary for them to work. Illusions can provide a wonderful window into how the brain works by revealing hidden underlying mechanisms in a way that normal perception fails to do.
Optical Illusions http://www.eyetricks.com/ Optical Illusions
Welcome to eyetricks.com, a site devoted to optical illusions and other mind teasing oddities!
Exploratorium: Optical Illusions http://www.exploratorium.edu/exhibits/f_exhibits.html Exploratorium: Optical Illusions
Lots of interactive optical illusions
The fabulous hands-on science museum from San Francisco presents a gallery of thirteen illusions (many powered by Shockwave and QuickTime) to play with and learn from. You'll find the Café Wall Illusion on other sites as well, but here you get to interact with it and watch the distortion come and go.