Lifting a Man with Helium Balloons? | I Didn't Know That

Is it possible to lift someone off the ground using just helium balloons? Richard Ambrose and Jonny Phillips battle gravity and the weather in hopes of executing a balloon lift.
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About I Didn't Know That:
Two industrial scientists, Richard Ambrose and Jonny Phillips, explain the science behind everyday life... from microwave ovens to beating a lie detector.

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Lifting a Man with Helium Balloons? | I Didn't Know That
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