Optical illusion
Videos
In visual perception, an optical illusion is an illusion caused by the visual system and characterized by a visual percept that arguably appears to differ from reality. Illusions come in a wide variet
"The Organ Player" – Pareidolia phenomenon in Neptune's Grotto stalactite cave (Alghero, Sardinia)
Rabbit–duck illusion
Disparity illusion
Midsagittal-strip illusion. In 3D plane CD is seen, AB is not.
Café wall illusion
Videos
The café wall illusion is a geometrical-optical illusion in which the parallel straight dividing lines between staggered rows with alternating dark and light rectangles appear to be sloped, not parall
Optical illusion
…illusion. Distorting or geometrical-optical illusions are characterized by distortions of size, length, position or curvature. A striking example is the Café wall illusion. Other examples are the famous Müller-Lyer illusion and Ponzo illusion. Paradox illusions (or impossible object illusions) are generated by objects…
Richard Gregory visits the original café wall on St Michael's Hill, Bristol, in February 2010
Architecture inspired by the café wall illusion, at Melbourne Docklands