/u/ptk77's posts in /r/askscience

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Why does the USS Indianapolis seem to be in much better condition than the Titanic when it was first found, when the amount of time between the sinking and discovery of each ship was about the same?

12 upvotes

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If sea-level were to rise 1 foot, would cities retain their current elevation mark?

1 upvotes

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If water contains nitrates, when that water evaporates, do the nitrates evaporate with it or do they become concentrated?

1 upvotes

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If we can transplant organs and even faces, why can't we transplant arms and legs for those who have lost limbs? What makes that so much more difficult?

1 upvotes

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At what speed would you have to travel before aerodynamics played a significant role in space travel?

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Everything on Earth, including man-made materials, came from basic elements. Would it be possible then, however unlikely, for something like Styrofoam or plastics to be created through natural processes somewhere in the universe?

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Chemistry What is the best way to remove calcium from water?

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How feasible would it be to launch an unmanned resupply ship ahead of any manned mission to Mars?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Why does the USS Indianapolis seem to be in much better condition than the Titanic when it was first found, when the amount of time between the sinking and discovery of each ship was about the same?	12
If sea-level were to rise 1 foot, would cities retain their current elevation mark?	1
If water contains nitrates, when that water evaporates, do the nitrates evaporate with it or do they become concentrated?	1
If we can transplant organs and even faces, why can't we transplant arms and legs for those who have lost limbs? What makes that so much more difficult?	1
At what speed would you have to travel before aerodynamics played a significant role in space travel?	1
Everything on Earth, including man-made materials, came from basic elements. Would it be possible then, however unlikely, for something like Styrofoam or plastics to be created through natural processes somewhere in the universe?	1
Chemistry What is the best way to remove calcium from water?	1
How feasible would it be to launch an unmanned resupply ship ahead of any manned mission to Mars?	1