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

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I have a steel pole that is one light-year across. If I rotate one end of the pole, is it possible for the other end to rotate before one year?

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How could build an overhead platform that has more gravitational attraction than Earth at close distances?

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What would happen if a perfectly-mirrored me appeared? Could they survive?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
I have a steel pole that is one light-year across. If I rotate one end of the pole, is it possible for the other end to rotate before one year?	1
How could build an overhead platform that has more gravitational attraction than Earth at close distances?	1
What would happen if a perfectly-mirrored me appeared? Could they survive?	1