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

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If electrically charged particles were fired into a black hole, what would happen? Would there be a point at which the electro-static repulsion of the particles overcame the force of gravity?

17 upvotes

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Is the reason helium blimps have not replaced hydrogen airships due to helium being unable to keep them afloat?

5 upvotes

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What are the forces involved which cause a star to go from a yellow dwarf to a red giant then back to a smaller yellow star then back to a red giant?

1 upvotes

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When solvated ions conduct electricity, is the current being carried by the ions themselves moving through space, or do electrons hop from one cation's empty orbitals to another? [Chemistry]

1 upvotes

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Why is there said to be an upper limit on how massive a star can be?

1 upvotes

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Many explosives work by rapidly producing very larges quantities of gas from solid starting materials. Are there any reactions which would produce enough gas to make strong gusts of wind, but not enough to cause a blast?

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If we could separate charges, put those charges onto spaceships, have those spaceships dump the charges on different planets, and repeat, what would those charges do?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
If electrically charged particles were fired into a black hole, what would happen? Would there be a point at which the electro-static repulsion of the particles overcame the force of gravity?	17
Is the reason helium blimps have not replaced hydrogen airships due to helium being unable to keep them afloat?	5
What are the forces involved which cause a star to go from a yellow dwarf to a red giant then back to a smaller yellow star then back to a red giant?	1
When solvated ions conduct electricity, is the current being carried by the ions themselves moving through space, or do electrons hop from one cation's empty orbitals to another? [Chemistry]	1
Why is there said to be an upper limit on how massive a star can be?	1
Many explosives work by rapidly producing very larges quantities of gas from solid starting materials. Are there any reactions which would produce enough gas to make strong gusts of wind, but not enough to cause a blast?	1
If we could separate charges, put those charges onto spaceships, have those spaceships dump the charges on different planets, and repeat, what would those charges do?	1