The Hollow-Face illusion is perhaps one of the coolest pieces of visual trickery known to mankind, and its awesomeness is only equaled by its simplicity. When a concave (hollow) face mask is ...

Stephen Fry and the panelists on the BBC show QI are struck by the strange motions of the inverted face of Albert Einstein demonstrating the Hollow Face Illusion, and a little side-variation of the ...

A person's prior knowledge of the geometry of faces affects his or her ability to estimate distance and complete visually guided reaching tasks according to a study published in the June issue of ...

We’ve written about the Hollow Face Illusion before. It will get you every time. But in order to be fooled by something that shouldn’t be, you need to know how things should be. There is a class of ...

Rockville, Md. – A person's prior knowledge of the geometry of faces affects his or her ability to estimate distance and complete visually guided reaching tasks according to a study published in the ...