A Hole in a Hole in a Hole Numberphile

Audible: More links stuff in full description below Cliff s glassware: Extras for this video: More videos featuring Cliff Stoll: Cliff references A Comprehensive Introduction to Differential Geometry by Michael Spivak: Animation: Pete McPartlan Note from Cliff: Original ideas suggestions from Peter Nguyen of Coker College and Danny Stoll of U, Chicago Amazing glasswork by Tom Adams, George Chittenden, Lucas Clarke, and Xing Wei Support us on Patreon: NUMBERPHILE Website: Numberphile on Facebook: Numberphile tweets: Subscribe: Numberphile is supported by the Mathematical Sciences Research Institute (MSRI): Videos by Brady Haran Brady s videos subreddit: Brady s latest videos across all channels: Sign up for (occasional) emails: Numberphile TShirts: Other merchandise: