I WAS THERE! How David Blaine flew helium balloons to the height of jets (and jumped)

Check out David Blaine s video with Physics Girl s Dianna Cowern: https://www.youtube.com/watch?v=HZCJ8kZ2IKY ASCENSION full Livestream: https://www.youtube.com/watch?v=QwzvNAAqH3g David Blaine casually floated up to 25,000ft over the Arizona desert holding 52 helium balloons. I was invited to witness the testing and preparation! Thanks to David Blaine, Luke Aikins, and the rest of the team for having us and for taking such good health and safety precautions! Thanks to Kyle Kitzmiller. http://physicsgirl.org/ http://twitter.com/thephysicsgirl http://facebook.com/thephysicsgirl http://instagram.com/thephysicsgirl Creator/Host: Dianna Cowern Editor: Levi Butner Production Assistant: Kyle Kitzmiller Research: Sophia Chen Research: Hope Butner Research: Patrick Muhlberger Sources: Victorians who flew as high as jets: https://www.bbc.com/future/article/20160419-the-victorians-who-flew-as-high-as-jets FAA Info on Decompression Sickness https://www.faa.gov/pilots/safety/pilotsafetybrochures/media/dcs.pdf Cerebral Hypoxia Information https://www.ninds.nih.gov/Disorders/All-Disorders/Cerebral-Hypoxia-Information-Page