• Sound for Sound Engineers [an overview that gives a little of the physics and psychology of sound]
• Monell Chemical Senses Center
• Art of Reutersvaard - Impossible Figures
• Illusions from Sandlot Science (best viewed with Internet Explorer)
• Project LITE Interactive Demos of Illusions
• Akiyoshi's Illusion Pages (spectacular art based on visual illusions)
• Michael Bach's Optical Illusions and Visual Phenomena - mostly interactive illusions
• Interactive Illusions Click on "Visual Illusions" 1/3 down the page, and follow the directions in the window that pops up.
• Inattentional Blindness Video Demos - Demos of some of the inattentional blindness effects
• The need for attention to see change
• BioMotion Lab Demos - Demos of walking figures composed of a few dots. You'll need Flash. You can manipulate speed, gender, emotions. Fascinating!
Stereograms (3d-pictures)
• Magic Eye™ Image of the Week