› added 11 years ago

132

TIL M.C. Escher created a recursive print called “Print Gallery” that he was unable to complete because of the complexity of the remaining region. A pair of Dutch mathematicians recently modeled the geometry of the print and completed the illustration.

Read more escherdroste.math.leidenuniv.nl

via reddit.com

v1WbL TIL Wayne Brady did a Chappelle's show skit because Paul Mooney's Roast offended him
lEaG TIL Sir Arthur Conan Doyle originally killed off Sherlock Holmes so he could focus on his historical novels. Conan Doyle reluctantly brought Holmes back after enduring eight years of public pressure.
lo9gr TIL Angus McDonagh designed and printed his own fake postage stamps, with images of himself wearing an eye patch, a beret and a Father Christmas beard. He successfully used them to post over 100 letters.
jnWp TIL that Russia has secret cities; you can only gain access through security checkpoints, and they only show up on classified maps. Foreigners are strictly forbidden.
p86ge TIL about work grunting, aka worm charming. A sport, past time, and subsistence strategy practiced in many cultures around the world.