Amazing Rope Trick Here’s an amazing trick that Curtis McMullen performed in yesterday’s workshop on Quantum Mechanics and Topology, organized by Ryan Grady. McMullen modestly declined to be photographed, so here Grady demonstrates the trick. Step 1: Thread … 26. Sep 2013 | By Dana Mackenzie | 3 comments
Dances, Billiards, and Pretzels When I came to the Heidelberg Laureate Forum, I expected a feast for my mind. I didn’t expect a feast for my eyes! Take a look at this incredible video, by Diana Davis, which was … 24. Sep 2013 | By Dana Mackenzie | 2 comments