You can support us on Patreon: https://www.patreon.com/periodicvideos More Mercury: https://youtu.be/5I4rxfnCtxY Numberphile for Pythagorean math: https://youtu.be/ItiFO5y36kw Buy a Pythagorean Cup on Amazon: http://bit.ly/Pyth_Cup This features features Professor Sir Martyn Poliakoff from the University of Nottingham. Siphon in vacuum: https://www.youtube.com/watch?v=8F4i9M3y0ew More chemistry at http://www.periodicvideos.com/ Follow us on Facebook at http://www.facebook.com/periodicvideos And on Twitter at http://twitter.com/periodicvideos From the School of Chemistry at The University of Nottingham: http://bit.ly/NottChem Periodic Videos films are by video journalist Brady Haran: http://www.bradyharan.com/ Brady's Blog: http://www.bradyharanblog.com Join Brady's mailing list for updates and extra stuff --- http://eepurl.com/YdjL9