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DigitalJack
on Sept 1, 2016
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A SpaceX Falcon 9 rocket has exploded at Cape Cana...
For oxygen to be liquid it needs high pressure and low temperature.
shoegumfoot
on Sept 1, 2016
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Actually, atmospheric pressure is enough, and oxygen boils at a slightly higher temperature than nitrogen.
DigitalJack
on Sept 1, 2016
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thanks, I should have said "or."
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