You might have seen the Droste Effect before, perhaps even the animated version. But here's a new iteration - a music video.
posted by le morte de bea arthur on Nov 25, 2008 - 28 comments

Mathematician Henrik Lenstra was intrigued by a blank space in he middle of a drawing by MC Escher. Over two years he managed to describe the mathematical structure of the drawing, project what should go in the missing space and produce an extraordanary animation of the result.
posted by alms on Aug 6, 2002 - 32 comments