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Moment of Science: How to Fly (and Steer) A Hot Air Balloon
Автор: David Dickson
Загружено: 2021-11-15
Просмотров: 117985
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Episode 47:
The oldest form of flying takes advantage of the properties of hot air, or as balloon pilot Dwight Cramer says, “We put the hot air in, and it rises! But there is math to it, there’s math and science in everything.”
That’s my line- but he’s right!
Hot air balloons float by hot air alone, no hydrogen or helium here like other balloons that fly by gas. Hot air rises because it’s lighter, but just how much?
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