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Optical Illusion Sites
Visual Illusion of the Month- Amos Storkey's excellent page of unique illusions. He says, "The aim of this page is to provide visual and optical illusions which I think are not the sort that are seen in 101 books etc on illusions."
Illusions Gallery - Here is Dr. David Landrigan's gallery of optical illusions. Dr. Landrigan is a Professor at the University of Massachusetts Lowell in their Psychology Department.
Archimedes' Laboratory - The visual illusions featured on this page are created by Gianni A. Sarcone and Marie-Jo Waeber. The illusions that the authors offer are, for the greater part, products of their own imagination, sometimes discovered by chance and in other cases they deliberately set out to discover new ways to view existing optical illusions and present them under a new light.
Akiyoshi's Illusions - This site and the majority of optical illusions presented are the creation of Professor Akiyoshi Kitaoka, Department of Psychology, Ritsumeikan University, Kyoto, Japan.
Sandlot Science - features the world's most mind-boggling optical illusions including games, puzzles, and artwork! 100's of Original Exhibits, Real-time Demonstrations, and Live Interactive Illusions.
Planet Perplex - is a comprehensive collection of optical illusions, impossible objects, hidden images, puzzles and related images.
Eyetricks - Optical illusions, 3D stereograms and anaglyphs, fractals and brain teasers.
Skytopia - An intriguing selection of old, new and exclusive optical illusions.
Many pictures are enhanced via the use of 3D and animation.
Project Lite is a software, curriculum and materials development project located in the Science and Mathematics Education Center at Boston University.
Grand Illusions was originally designed as a way of sharing our enthusiasm for various science based phenomena, fun and games, and optical illusions.
Impossible World - A site devoted exclusively to the study of impossible figures. After gathering a big collection of impossible figures I decided to create a unique website about impossible figures where as much as possible information about impossible figures and impossible art will be published.
Motion Perception - An essential quality that distinguishes all animals from plants is their capacity for voluntary movement. Animals move to find mates, shelter, and something to eat, and to avoid being eaten themselves. But the ability to move brings with it the requirement to sense movement ...
NIEHS Optical Illusions - A set of optical illusions presented by the National Institute of Environmental Health Sciences.
Puzzles.com -- Illusions - the world's best resource for puzzling on the Internet - is about Puzzles, Illusions, Tricks, Toys, and everything around all these Great, Funny, Entertaining, Intellectual and Educational Things.
Perceptual Science Group - the Perceptual Science Group of the MIT Department of Brain and Cognitive Sciences at MIT does research in human visual perception, machine vision, and image processing.
Museum of Unworkable Devices - This museum is a celebration of fascinating devices that don't work. It houses diverse examples of the perverse genius of inventors who refused to let their thinking be intimidated by the laws of nature, remaining optimistic in the face of repeated failures.
Science and stuff
Cool Physics movies - Animations of jets breaking the speed of sound, and what you would see if you traveled past Saturn at 99% the speed of light...
How Stuff Works - A very expansive site, giving the low-down on how everything works - the science behind the magic.
Ask Dr. Math - A giant archive of math questions for all levels and abilities. Search for a specific question or browse the online archives. Here's another great resource too.
Madsci - A brilliant site dedicated to answering all your questions about science. This one contains over 25,000 questions, a comprehensive search feature and a forum-style approach to the answers.
Magnet FAQ - Everything you ever wanted to know about magnets - and then some.
Neuroscience for Kids- Discover the exciting world of the brain, spinal cord, neurons and the senses. Use the experiments, activities and games to help you learn about the nervous system.
Powers of Ten - Universe zoom in - An interactive Java applet. "View the Milky Way at 10 million light years from the Earth" ...and then gradually zoom in, passing our solar system, then Earth... a city... tree - all the way down until you reach a tiny atom's nuclei.
Web Tools and Programs
Probert Encyclopaedia - "A British encyclopedia of over 100,000 entries interlinked and illustrated, covering all world knowledge and complementing other encyclopedias".