The clip after the break shows a gentleman pouring water into the waterfall where the wheel ... stair puzzle that is exposed as an optical illusion. [David’s] proposed method for debunking ...

A photo depicting a seemingly impossible construction scene has risen to the top of "the front page of the internet" - Reddit - and the optical illusion ... of an M.C. Escher drawing.

Instructables user [GuokrDIY] has provided a translation of a detailed guide on making one of our favorite Escher inspired illusions ... The hardest part of the illusion seems to be modulating ...