A long-awaited update to our Zirconium video, made possible by two samples donated to The Professor (thanks to company Lipmann Walton and technician Andres Tretiakov). 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 Periodic Videos films are by video journalist Brady Haran