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Discovery TV has uploaded Liquid Nitrogen Rocket - What Could Possibly Go Wrong? Grant & Kevin launch a rock...

Discovery TV has uploaded Liquid Nitrogen Rocket - What Could Possibly Go Wrong? Liquid Nitrogen Rocket - What Could Possibly Go Wrong? Discovery TV Grant & Kevin launch a rocket using liquid nitrogen. Watch new episodes of What Could Possibly Go Wrong, Wednesdays at 9PM on Discovery UK. Subscribe to Discovery TV for more great clips: http://www.youtube.com/subscription_center?add_user=DiscoveryTV Follow Discovery on Twitter: http://www.twitter.com/DiscoveryUK © 2014 YouTube, LLC 901 Cherry Ave, San Bruno, CA 94066 You were sent this email because you chose to receive updates from Discovery TV. If you don't want these updates anymore, you can unsubscribe here.