/u/Ferociousaurus's posts

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"At near-light speed, we could travel to other star systems within a human lifetime, but when we arrived, everyone on earth would be long dead." At what speed does this scenario start to be a problem? How fast can we travel through space before years in the ship start to look like decades on earth?

2872 upvotes • r/askscience

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If I leave the faucet on in an area with abundant freshwater resources (e.g., the Great Lakes region), is that water "wasted?" Or does it make its way back into the water supply pretty easily?

558 upvotes • r/askscience

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Can I grow plants in my apartment with the reflection of sunlight?

59 upvotes • r/askscience

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How did traditional Arabian 3-on-3 combat work?

35 upvotes • r/AskHistorians

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Is the empty space near the Sun (say, closer than Mercury) hot or cold?

14 upvotes • r/askscience

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A staple of post-apocalyptic fiction is the idea of a nuclear war that wipes out all large population centers. Is this a realistic portrayal of the aftermath of the Cold War getting hot? If so, why would Cold War powers indiscriminately attack civilian population centers?

8 upvotes • r/AskHistorians

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What did Mao Zedong (and/or his successors) think of the Yellow Turban Rebellion?

8 upvotes • r/AskHistorians

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Given the existential threat that nuclear war represents to the U.S., why was Reagan's Star Wars defense system so roundly panned? Why don't we spend more time developing anti-ICBM technologies?

7 upvotes • r/AskHistorians

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How can we see Venus at night, when it's between us and the sun?

3 upvotes • r/askscience

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Someone dies in a spaceship with the atmosphere vented into space. After sitting in vacuum for a few years, someone else comes along and turns life support back on. Does the body rot?

3 upvotes • r/askscience

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Title	Upvotes	Subreddit	Mark as read	Favorited	Rating	Add to a list
"At near-light speed, we could travel to other star systems within a human lifetime, but when we arrived, everyone on earth would be long dead." At what speed does this scenario start to be a problem? How fast can we travel through space before years in the ship start to look like decades on earth?	2872	askscience
If I leave the faucet on in an area with abundant freshwater resources (e.g., the Great Lakes region), is that water "wasted?" Or does it make its way back into the water supply pretty easily?	558	askscience
Can I grow plants in my apartment with the reflection of sunlight?	59	askscience
How did traditional Arabian 3-on-3 combat work?	35	AskHistorians
Is the empty space near the Sun (say, closer than Mercury) hot or cold?	14	askscience
A staple of post-apocalyptic fiction is the idea of a nuclear war that wipes out all large population centers. Is this a realistic portrayal of the aftermath of the Cold War getting hot? If so, why would Cold War powers indiscriminately attack civilian population centers?	8	AskHistorians
What did Mao Zedong (and/or his successors) think of the Yellow Turban Rebellion?	8	AskHistorians
Given the existential threat that nuclear war represents to the U.S., why was Reagan's Star Wars defense system so roundly panned? Why don't we spend more time developing anti-ICBM technologies?	7	AskHistorians
How can we see Venus at night, when it's between us and the sun?	3	askscience
Someone dies in a spaceship with the atmosphere vented into space. After sitting in vacuum for a few years, someone else comes along and turns life support back on. Does the body rot?	3	askscience