PURPOSE: Demonstrate various illusions, some with motion.
DESCRIPTION: Collection of miscellaneous illusions as seen below. The illusion photographed above is called the "rotating wedge illusion."
Click for the:
Cafe Wall Illusion.
Black Dot Illusion
Color Name Illusion
Line and Block Illusion
Rotating Wedge Illusion
Frog and Horse Illusion
Purple Parallel Line Illusion
"Bulge" Parallel Line Illusion (Very Strong)
Liar or Face Illusion
Lovers or Dolphins Illusion
Spontaneous Motion Illusions
Link to website with three wonderful illusions
Optical illusion power point presentation
Weird spontaneously rotating illusions from Ritsumeikan University in Japan!
61 Optical Illusions & Visual Phenomena (Visual Illusion ∑ Optische Tšuschungen) by Michael Bach: a truly remarkable set of demonstrations with lots of action and excellent explanations. Great site!!
Michael Bach home page
Moving Pink Dot Illusion
Motion Induced Blindness (Michael Bach) with explanation from ScienCentral News article.
Mr Angry and Mrs Calm
Grand Illusions, from the Grand Illusions Toy Shop. (illusions and related articles)
Optical Illusions from Joe Schwartz, featuring several new variations on some old favorites.
Double Vision, a unique set of illusions in a PowerPoint Slide Show.
Slick Opposites Illusions
Animated Optical Illusion
LINKS TO A VARIETY OF ILLUSIONS:
Visual Tricks and Optical Illusions
Will You Be Tricked by These Illusions?
Fun Optical Illusions for Kids
Explore These Crazy Illusions
Different Types of Optical Illusions
Browse Through a Gallery of Illusions
Find the Real Images in These Optical Illusions
Try Some Interactive Optical Illusions
Check Out Some Astonishing Optical Illusions!
Non-Moving Optical Illusions
Visual Phenomena & Optical Illusions
Brain Bashers Optical Illusions
Color Cube Optical Illusions
Mind Fake Optical Illusions
Optical Illusions and Pictures
REFERENCES: (PIRA unknown.) See Demonstration Reference File for further information and discussion.
EQUIPMENT: Computer with access to the world wide web.
SETUP TIME: 10 minutes.