/u/The_1st_Name_I_Chose's posts in /r/askscience

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How does heat propagate in a vacuum if there are no particles for it to move through?

5106 upvotes

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If I instantly cooled a litre of water to exactly 0° Celsius so that the temperature is completely uniform, would it freeze instantly or would it take some time? Why?

1082 upvotes

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How can light carry momentum if it has no mass?

367 upvotes

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Why do plants like Wooly Nightshade bloom all year round but only bear fruit in the summer?

9 upvotes

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What determines whether a gene is dominant or recessive?

4 upvotes

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If white objects are white because they reflect all colours of light, why aren't mirrors just white walls?

3 upvotes

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Is it possible to give non-magnetic substances magnetic properties?

3 upvotes

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If I broke apart a solid into its individual atoms (so none of the atoms are bonded to one another) would it behave like a liquid? If not, how would it behave?

1 upvotes

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What determines whether a gene is dominant or recessive?

1 upvotes

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How do explosions "carry" force in a vacuum?

1 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
How does heat propagate in a vacuum if there are no particles for it to move through?	5106
If I instantly cooled a litre of water to exactly 0° Celsius so that the temperature is completely uniform, would it freeze instantly or would it take some time? Why?	1082
How can light carry momentum if it has no mass?	367
Why do plants like Wooly Nightshade bloom all year round but only bear fruit in the summer?	9
What determines whether a gene is dominant or recessive?	4
If white objects are white because they reflect all colours of light, why aren't mirrors just white walls?	3
Is it possible to give non-magnetic substances magnetic properties?	3
If I broke apart a solid into its individual atoms (so none of the atoms are bonded to one another) would it behave like a liquid? If not, how would it behave?	1
What determines whether a gene is dominant or recessive?	1
How do explosions "carry" force in a vacuum?	1