IS IT POSSIBLE TO LIFT A MAN WITH HELIUM BALLOONS?

What kid hasn’t dreamed of taking flight with helium balloons!? In this chilhood dream come true Richard Ambrose and Jonny Phillips battle gravity and the weather to see if it’s possible to make that dream a reality!

Industrial scientists, Richard Ambrose and Jonny Phillips, “explain the science behind everyday life... from microwave ovens to beating a lie detector” in the series “I didn’t know that” a side project of National Geographic.

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