Featuring Cliff Stoll. Check https://brilliant.org/numberphile for Brilliant and get 20% off their premium service (episode sponsor) More links & stuff in full description below ↓↓↓ Cliff scrutinizes the lyrics of a Nescafé advertisement dealing with the brand's famed 43 beans. Alternative ending to this video: https://www.youtube.com/watch?v=h9slim-9fzU More videos with Cliff Stoll: http://bit.ly/Cliff_Videos Cliff's Klein Bottle shop: http://bit.ly/ACME_Klein Cliff on the Numberphile Podcast: https://www.youtube.com/watch?v=lxdcBD4ppF0 Numberphile is supported by the Mathematical Sciences Research Institute (MSRI): http://bit.ly/MSRINumberphile We are also supported by Science Sandbox, a Simons Foundation initiative dedicated to engaging everyone with the process of science. https://www.simonsfoundation.org/outreach/science-sandbox/ And support from The Akamai Foundation - dedicated to encouraging the next generation of technology innovators and equitable access to STEM education - https://www.akamai.com/company/corporate-responsibility/akamai-foundation NUMBERPHILE Website: http://www.numberphile.com/ Numberphile on Facebook: http://www.facebook.com/numberphile Numberphile tweets: https://twitter.com/numberphile Subscribe: http://bit.ly/Numberphile_Sub Videos by Brady Haran Animation by Pete McPartlan Patreon: http://www.patreon.com/numberphile Numberphile T-Shirts and Merch: null Brady's videos subreddit: http://www.reddit.com/r/BradyHaran/ Brady's latest videos across all channels: http://www.bradyharanblog.com/ Sign up for (occasional) emails: http://eepurl.com/YdjL9 Thanks to all our Patrons, including: Ben Delo Juan Benet Jeff Straathof Ken Baron Yana Chernobilsky Andy B Michael Dunworth James Bissonette Jubal John Jeremy Buchanan Steve Crutchfield Adam Savage Ben White Andrei M Burke RAD Donato Matthew Schuster Nat Tyce Ron Hochsprung Ubiquity Ventures John Zelinka Gnare Kannan Stanz OnlineBookClub.org Matt Tiblow Tracy Parry Ian George Walker Arnas Bernd Sing Valentin Alfred Wallace Bodhisattva Debnath Alex Khein Mirik Gogri Doug Hoffman Xavier F. G. John Loach