Polarized Light (Popularity: )

Fascinating facts about polarized light, from rainbows to beetles, from viking navigation to LCD displays. ...
Category: Science\Physics\Education\Light and Optics

The World of Escher (Popularity: )

The web site to explore the great M.C. Escher artworks. Each image has commentary and ...
Category: Science\Math\Geometry\Sculpture and Art

The Noh Mask Effect (Popularity: )

Demonstrates illusory facial expression perception with Japanese Noh masks. Links to publications about the effect.
Category: Science\Social Sciences\Psychology\Sensation and Perception

Sir Roger Penrose (Popularity: )

A article about him and his interests and contributions to recreational mathematics.
Category: Science\Math\Recreations

Mind Bluff (Popularity: )

A family-friendly collection of tactile illusions, mental deceptions, optical tricks, brain puzzlers, and feeling games ...
Category: Science\Social Sciences\Psychology\Sensation and Perception

Gathering for Gardner (Popularity: )

Contains math, puzzle, geometry, illusions, mazes, links, articles and problems.
Category: Science\Math\Recreations