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

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How do female astronauts deal with menstrual hygiene in zero gravity?

1490 upvotes

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If we sent an underwater probe to Europa, how would it transmit data back to the Earth through many kilometers of presumably salty water and ice?

70 upvotes

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Can brain survive longer without oxygen if it's deprived of glucose first?

8 upvotes

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Were there any attempts to artificially keep frogs (or other animals capable of going through freeze-thaw cycles) frozen for several seasons? If so, how did it go?

4 upvotes

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What's wrong with an electrical scramjet?

4 upvotes

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Aside from waiting for half a year, is it possible to transfer from one circular orbit to a higher one with a solar sail?

2 upvotes

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Why do norepinephrine reuptake inhibitors commonly cause drowsiness?

1 upvotes

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Is a photon rocket the best application of antimatter in jet propulsion?

1 upvotes

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Can biochemical reactions run on nuclear energy?

1 upvotes

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Is it technically feasible to calculate a rendezvous maneuver precisely enough so that no RCS firings will be needed for docking?

1 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
How do female astronauts deal with menstrual hygiene in zero gravity?	1490
If we sent an underwater probe to Europa, how would it transmit data back to the Earth through many kilometers of presumably salty water and ice?	70
Can brain survive longer without oxygen if it's deprived of glucose first?	8
Were there any attempts to artificially keep frogs (or other animals capable of going through freeze-thaw cycles) frozen for several seasons? If so, how did it go?	4
What's wrong with an electrical scramjet?	4
Aside from waiting for half a year, is it possible to transfer from one circular orbit to a higher one with a solar sail?	2
Why do norepinephrine reuptake inhibitors commonly cause drowsiness?	1
Is a photon rocket the best application of antimatter in jet propulsion?	1
Can biochemical reactions run on nuclear energy?	1
Is it technically feasible to calculate a rendezvous maneuver precisely enough so that no RCS firings will be needed for docking?	1