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

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How realistic were TV show Babylon 5's Omega-class destroyer's rotating middle sections in simulating gravity? Would the rotating section be able to provide gravity for the entire ship or just the rotating part?

1480 upvotes

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Assuming humanity had a very powerful drill that could drill through pretty much anything and also could withstand high pressures like at the bottom of the ocean, how feasible would it be to drill and create thousands of holes so the ocean level could be lowered?

1 upvotes

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How will communication work due to limitations such as the speed of light when we have established bases/colonies on the Moon and other planets like Mars?

1 upvotes

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When you fill a container with liquid, like a sink or bathtub with water, then drain it from underneath, the liquid begins to spin and create something that looks like a reverse tornado. Does it drain faster spinning a particular direction or does interrupting the spin cause it to drain faster?

1 upvotes

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What happens to the excess blood volume that supplied excess tissue after a person loses a lot of weight?

1 upvotes

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Could there have been multicellular life on Earth before the impact that created the moon?

1 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
How realistic were TV show Babylon 5's Omega-class destroyer's rotating middle sections in simulating gravity? Would the rotating section be able to provide gravity for the entire ship or just the rotating part?	1480
Assuming humanity had a very powerful drill that could drill through pretty much anything and also could withstand high pressures like at the bottom of the ocean, how feasible would it be to drill and create thousands of holes so the ocean level could be lowered?	1
How will communication work due to limitations such as the speed of light when we have established bases/colonies on the Moon and other planets like Mars?	1
When you fill a container with liquid, like a sink or bathtub with water, then drain it from underneath, the liquid begins to spin and create something that looks like a reverse tornado. Does it drain faster spinning a particular direction or does interrupting the spin cause it to drain faster?	1
What happens to the excess blood volume that supplied excess tissue after a person loses a lot of weight?	1
Could there have been multicellular life on Earth before the impact that created the moon?	1