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

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Is there a triple-point with plasma? Normally it is with solid, liquid, and gas, but is there one with, say, liquid, gas, and plasma?

4261 upvotes

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A catalyst lowers the activation energy for a reaction. Is there something that increases it, like an anti-catalyst?

28 upvotes

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How do scientists make antimatter if everything we have to use to make it is made of matter? Also, does matter and antimatter annihilating each other violate conservation of mass?

13 upvotes

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Why do black holes in a binary system spiral inwards instead of remaining in a stable orbit of each other?

7 upvotes

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Does H2 antibonding occur in particle accelerators?

1 upvotes

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How did people print photos on the cover of newspapers before the images could be digitized?

1 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Is there a triple-point with plasma? Normally it is with solid, liquid, and gas, but is there one with, say, liquid, gas, and plasma?	4261
A catalyst lowers the activation energy for a reaction. Is there something that increases it, like an anti-catalyst?	28
How do scientists make antimatter if everything we have to use to make it is made of matter? Also, does matter and antimatter annihilating each other violate conservation of mass?	13
Why do black holes in a binary system spiral inwards instead of remaining in a stable orbit of each other?	7
Does H2 antibonding occur in particle accelerators?	1
How did people print photos on the cover of newspapers before the images could be digitized?	1