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

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A gas becomes a plasma when there is so much energy that the electrons break away. Does this mean that plasmas cannot react chemically with other substances?

1883 upvotes

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If monkeys are our closest relative, what is our most distant relative? Is there even any way to figure that out?

148 upvotes

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If you broke a metal in to small enough parts, would it start behaving like a liquid?

9 upvotes

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Isn't light already moving faster than c since it's a sine wave?

5 upvotes

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What proof do we have that light has a speed limit? How are we sure it is massless and not just so small we can't measure it?

1 upvotes

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If two perfectly smooth surfaces rub together, would there be friction?

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If there are infinite universes for all possibilities, does that mean there is a universe where a wolf's fetus mutated so much and in just the right way to make a human?

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If insects in general have shorter generation times, why have many stayed nearly the exact same over millions of years of evolution?

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Could there be an object dense enough that the speed of sound travels faster through it than light?

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There is an edge to the observable universe b/c even though matter can't travel faster than light, matter can expand away from itself faster than light. But since position is relative, shouldn't that mean that from the perspective of one piece of matter, the other is traveling faster than light?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
A gas becomes a plasma when there is so much energy that the electrons break away. Does this mean that plasmas cannot react chemically with other substances?	1883
If monkeys are our closest relative, what is our most distant relative? Is there even any way to figure that out?	148
If you broke a metal in to small enough parts, would it start behaving like a liquid?	9
Isn't light already moving faster than c since it's a sine wave?	5
What proof do we have that light has a speed limit? How are we sure it is massless and not just so small we can't measure it?	1
If two perfectly smooth surfaces rub together, would there be friction?	1
If there are infinite universes for all possibilities, does that mean there is a universe where a wolf's fetus mutated so much and in just the right way to make a human?	1
If insects in general have shorter generation times, why have many stayed nearly the exact same over millions of years of evolution?	1
Could there be an object dense enough that the speed of sound travels faster through it than light?	1
There is an edge to the observable universe b/c even though matter can't travel faster than light, matter can expand away from itself faster than light. But since position is relative, shouldn't that mean that from the perspective of one piece of matter, the other is traveling faster than light?	1