I confess that I was startled many, many years ago when I first witnessed a “fire” burning in a vacuum inside a space craft. No up, no down, no peak for the flame, in fact, I don’t recall “flame” but a globe of burning gas. Normal activities (on Earth perspective) are quite different away from gravity.
In this clip from the International Space Station, Expedition Commander Chris Hadfield answers the question many people, I’m sure, have lost sleep over: What happens when a spaceman wrings a wet rag?
Who’d have thought...
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