Trippy Pencil Drawing Animation | Hand Drawing Art Pictures and Ideas. Published on October 24th, 2011 [vimeo] Drawing is art of depicting what we see or what we think or what our intension.
Mind & body
The Hardest Logic Puzzle Ever. The Hardest Logic Puzzle Ever is a logic puzzle invented by American philosopher and logician George Boolos and published in The Harvard Review of Philosophy in 1996.
A translation in Italian was published earlier in the newspaper La Repubblica, under the title L'indovinello più difficile del mondo. The puzzle is inspired by Raymond Smullyan. Space Shuttle Discovery - 360VR Images.