/r/askscience

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Did nuclear bomb tests leave behind Hiroshimas and Nagasaki's minus the human casualties? Are the test sites habitable?

3726 upvotes • jollysailorband

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What causes the patterns to appear in this maple syrup?

3725 upvotes • AmateurSunsmith

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Why isn't the James Webb space telescope heat shield made out of gold?

3725 upvotes • i_am_archimedes

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When this lava is moving along the surface, what is it doing to the underlying soil and rock. Partially melting them? Is it more of a layering that is going to just erode back to the bedrock, which I suppose is just old magma? Any volcanologists or geologists out there?

3724 upvotes • jetfueljunkie1

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If I had a 1 dollar coin, could I theoretically flatten it to the point where the coin would cover the entire Earth?

3723 upvotes • erroct

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Is there a theoretical limit to the energy density of lithium ion batteries?

3721 upvotes • spacemonkeyzoos

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When describing an amount of space, we call it an "area" or "volume." When describing an amount of time, we call it a "duration." What would we call an amount of spacetime, and what would that imply?

3708 upvotes • DwizKhalifa

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Compared to other stars, is there anything that makes our Sun unique in anyway?

3707 upvotes • FantomDrive

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Could a moon be gaseous?

3704 upvotes • Minecraft3639

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What is the base of a mountain?

3702 upvotes • miscalibrated

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Title	Upvotes	Author	Mark as read	Favorited	Rating	Add to a list
Did nuclear bomb tests leave behind Hiroshimas and Nagasaki's minus the human casualties? Are the test sites habitable?	3726	jollysailorband
What causes the patterns to appear in this maple syrup?	3725	AmateurSunsmith
Why isn't the James Webb space telescope heat shield made out of gold?	3725	i_am_archimedes
When this lava is moving along the surface, what is it doing to the underlying soil and rock. Partially melting them? Is it more of a layering that is going to just erode back to the bedrock, which I suppose is just old magma? Any volcanologists or geologists out there?	3724	jetfueljunkie1
If I had a 1 dollar coin, could I theoretically flatten it to the point where the coin would cover the entire Earth?	3723	erroct
Is there a theoretical limit to the energy density of lithium ion batteries?	3721	spacemonkeyzoos
When describing an amount of space, we call it an "area" or "volume." When describing an amount of time, we call it a "duration." What would we call an amount of spacetime, and what would that imply?	3708	DwizKhalifa
Compared to other stars, is there anything that makes our Sun unique in anyway?	3707	FantomDrive
Could a moon be gaseous?	3704	Minecraft3639
What is the base of a mountain?	3702	miscalibrated