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:
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!!
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.
LINKS TO A VARIETY OF ILLUSIONS:
REFERENCES: Available. (PIRA unknown.)
EQUIPMENT: Computer with access to the world wide web.
SETUP TIME: 10 minutes.