Open Directory - Games: Puzzles: Brain Teasers: Optical Illusions
See also: This category in other languages: - Many works of Akiyoshi Kitaoka. Designs around standard illusions crafted to maximise the illusory effect. - Gallery of pictures that will trick your eyes. - Collection of illusions and images chosen for novelty and distinction from the usual set found in most collections. - Dozens of optical illusions to tease your brain. - A growing collection of optical illusions and eye tricks, including original illusion pictures and a collection of optical illusion desktop wallpaper. - A collection of about 20 illusions - all accompanied by Java applets. Interactively changeable attributes help investigate which ones are in fact responsible for tricking the brain. - Contains many optical illusions illustrating a wide range of visual anomalies and surprising optical effects. A free screensaver, posters, and educational explanations are also provided. - Offers a number of optical illusions for viewing, as well as explanations on how they work. - Optical illusions, 3D stereograms and anaglyphs, fractals and brain teasers - A multimedia museum of optical and sensory illusions, with online demonstrations and explanations. - The stress here is on relative novelty and interactivity, in combination with a scientific background. Regularly updated. - A collection of optical illusions, online games, and other fun things. - Illusions by Brincat Norbert for viewing and downloading. - Optical illusions, eye tricks, mind teasers and other puzzles. - Amazing Pictures and Effects - A collection of various forms of optical illusions with explanations, including illusions conveyed through fractals, architecture, art, advertising and real life encounters. - Comments on the terms 'Optical Illusion' and 'Visual Illusion'. - A selection of common images. - A collection of riddles and optical illusions of many different forms with thumbnail browsing. - Selection of optical illusions, hidden images, impossible objects and upside down images. - A selection of old, new and original optical illusions. Many pictures are enhanced via the use of 3D and animation. - Impossible figures, optical illusions, multimedia and 3D puzzles.