Just when you think that you have come across the most baffling optical illusion, the Internet dishes out another mind-boggling image. And adding to that list is a geometric optical illusion that may ...

Proving that two polygons have the same area can be as easy as cutting them up and rearranging the pieces. Gina the geometry student stayed up too late last night doing her homework while watching The ...

This dissected hinged paper model of a rhombic dodecahedron is divided into twelve equal pyramids with bases athat are rhombuses (and faces of the dodecahedron). Rearranged, the pyramids become the ...