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

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With our current technology and if we ignore the heat, could we send a manned lander to Venus and take off again?

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Could we, in theory, release a large amount of gas in a retrograde orbit to slow down all of the junk satellites?

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If you were to put you hand inside a bubble of time dilatation, where time was moving 1 second faster, could you feel it? And what would it feel like?

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If you had a pole made of an unbreakable substance and a similar density to unrefined iron, and it was 1x1m with width and depth, but was the length of Earth, what would the gravity be like around it?

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Why are we one of the only animals to have beards and moustaches? What did they do on an evolutionary level and why only the men?

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I know there cant be perpetual motion, but why doesn't this work?

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I know that the laws of thermodynamics say that energy cannot be created, but how does this work?

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Could a rocket be launched from a floating platform?

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Is the effect of gravity instant or is it constrained by the speed of light?

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If the universe is infinitely big, does that mean there is infinite energy?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
With our current technology and if we ignore the heat, could we send a manned lander to Venus and take off again?	1
Could we, in theory, release a large amount of gas in a retrograde orbit to slow down all of the junk satellites?	1
If you were to put you hand inside a bubble of time dilatation, where time was moving 1 second faster, could you feel it? And what would it feel like?	1
If you had a pole made of an unbreakable substance and a similar density to unrefined iron, and it was 1x1m with width and depth, but was the length of Earth, what would the gravity be like around it?	1
Why are we one of the only animals to have beards and moustaches? What did they do on an evolutionary level and why only the men?	1
I know there cant be perpetual motion, but why doesn't this work?	1
I know that the laws of thermodynamics say that energy cannot be created, but how does this work?	1
Could a rocket be launched from a floating platform?	1
Is the effect of gravity instant or is it constrained by the speed of light?	1
If the universe is infinitely big, does that mean there is infinite energy?	1