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/
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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