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Why does steam travel up instead of down?

Why does steam travel up instead of down?

Moment Of Um · Brains On Universe

January 17, 20246m 18s

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Show Notes

It seems like water always falls down. Rain and snow fall down from the sky. Watering cans pour water down on plants. Waterfalls – well, the water falls down! But when water is steam, it rises up. Why is that? We asked aerospace engineer Nicole Sharp to help us find the answer.


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