/u/Licalottapuss's posts in /r/askscience

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How far will a laser light shine?

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How much smaller would Earth be if it had no water whatsoever. I am assuming earth would still be round, that is, without the canyons, crevices, and anything else that is now “below sea level”. Would it be comparable to the moon?

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Continental distributional drift

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What would result if a (hypothetical) hollow ball 5 miles in diameter, created in space and therefore containing a perfect vacuum, were to make its way onto earth and then pop?

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Is there an estimate of how much “recoverable” gold and/or other precious metals is/are orbiting earth?

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In the vacuum of space - in 0 gravity, is it not possible to make a perpetual motion device. Would it not be possible then to make a perpetual power generation device?

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reasearch timeline end

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reaearch timeline end?

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In the vacuum of space - in 0 gravity, is it not possible to make a perpetual motion device. Would it not be possible then to make a perpetual power generation device?

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Would the earth keep spinning beneath a hovering drone that had a very very long lasting battery, was stable with no drift, had no gps assistance and was sent up on a very calm and windless day?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
How far will a laser light shine?	1
How much smaller would Earth be if it had no water whatsoever. I am assuming earth would still be round, that is, without the canyons, crevices, and anything else that is now “below sea level”. Would it be comparable to the moon?	1
Continental distributional drift	1
What would result if a (hypothetical) hollow ball 5 miles in diameter, created in space and therefore containing a perfect vacuum, were to make its way onto earth and then pop?	1
Is there an estimate of how much “recoverable” gold and/or other precious metals is/are orbiting earth?	1
In the vacuum of space - in 0 gravity, is it not possible to make a perpetual motion device. Would it not be possible then to make a perpetual power generation device?	1
reasearch timeline end	1
reaearch timeline end?	1
In the vacuum of space - in 0 gravity, is it not possible to make a perpetual motion device. Would it not be possible then to make a perpetual power generation device?	1
Would the earth keep spinning beneath a hovering drone that had a very very long lasting battery, was stable with no drift, had no gps assistance and was sent up on a very calm and windless day?	1