Professor Poliakoff gets more (or less) than he bargained for with some Noble Gas balloons. More links and info in full description ↓↓↓ Helium video: https://youtu.be/M6xZZiaLOV4 Permeability of Rubber to Gases: https://books.google.co.uk/books/about/Permeability_of_Rubber_to_Gases.html?id=rwcjS2MBCp4C&redir_esc=y Support us on Patreon: https://www.patreon.com/periodicvideos 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