/u/turquoiserabbit's posts

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Does the amount of dark, paved surfaces humans have made have a measurable impact on local temperatures or global climate change?

868 upvotes • r/askscience

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Will there be a temperature difference between: hot tea that I let sit for 5 minutes and then add cold milk to, or hot tea that I immediately add cold milk to then let sit for 5 minutes?

17 upvotes • r/askscience

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How can mirrors exist at all? Aren't all surfaces 'rough' at a molecular/atomic level?

13 upvotes • r/askscience

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Is the human body more or less cost efficient at creating energy from food than the power grid?

12 upvotes • r/askscience

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[WP] Humanity must sacrifice one human being a day or else it will be destroyed (for whatever reason). You have been selected to pick today's sacrifice. If you don't pick someone, you yourself will be sacrificed.

7 upvotes • r/WritingPrompts

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It seemed like it was taking forever to warm my fingers up after being in the cold cellar.

7 upvotes • r/TwoSentenceHorror

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If speed is determined only from a particular reference frame, are we all going 100% the speed of light from the frame of reference of a photon? Wouldn't that be contrary to the rule that nothing can go as fast as light?

1 upvotes • r/askscience

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If I had a cup of liquid that I stirred into a spin, would stopping the spin by stirring in the opposite direction cause it to be be more or less mixed than if I let the liquid spin until it stopped on its own?

1 upvotes • r/askscience

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Did we evolve to feel pain from heat/being burned before the invention of fire? If so, how?

1 upvotes • r/askscience

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When referring to the "calories" (or joules) of energy an item has, where exactly is that energy coming from?

1 upvotes • r/askscience

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Title	Upvotes	Subreddit	Mark as read	Favorited	Rating	Add to a list
Does the amount of dark, paved surfaces humans have made have a measurable impact on local temperatures or global climate change?	868	askscience
Will there be a temperature difference between: hot tea that I let sit for 5 minutes and then add cold milk to, or hot tea that I immediately add cold milk to then let sit for 5 minutes?	17	askscience
How can mirrors exist at all? Aren't all surfaces 'rough' at a molecular/atomic level?	13	askscience
Is the human body more or less cost efficient at creating energy from food than the power grid?	12	askscience
[WP] Humanity must sacrifice one human being a day or else it will be destroyed (for whatever reason). You have been selected to pick today's sacrifice. If you don't pick someone, you yourself will be sacrificed.	7	WritingPrompts
It seemed like it was taking forever to warm my fingers up after being in the cold cellar.	7	TwoSentenceHorror
If speed is determined only from a particular reference frame, are we all going 100% the speed of light from the frame of reference of a photon? Wouldn't that be contrary to the rule that nothing can go as fast as light?	1	askscience
If I had a cup of liquid that I stirred into a spin, would stopping the spin by stirring in the opposite direction cause it to be be more or less mixed than if I let the liquid spin until it stopped on its own?	1	askscience
Did we evolve to feel pain from heat/being burned before the invention of fire? If so, how?	1	askscience
When referring to the "calories" (or joules) of energy an item has, where exactly is that energy coming from?	1	askscience