« Extraordinary new results_ Post » Post(1) Apr 27, 2016 Google+ postTim Hutton - 2016-04-27 20:59:21+0000 - Updated: 2016-04-27 20:59:21+0000Originally shared by David EppsteinFrom tilted decks of playing cards to hyperbolic geometrySudo make me a pseudosphereShared with: Public+1'd by: Roice Nelson This post was originally on Google+