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How many balloons would it take to life someone off the ground?

Kategorie: Wissen und Wissenschaft
Kanal: BrainStuff
Datum: 21. August 2015, 15:00
Stufe: B1-B2 (Mittelstufe)

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Balloons are often filled with helium, which has a lifting force of one gram per meter. It's possible to assemble enough balloons to lift yourself from the ground -- but how many balloons does it take? Tune into this HowStuffWorks podcast to learn more.