/u/[deleted]'s posts in /r/askscience

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Are the clouds we see forming on mountain tops created by the same effect that creates contrails behind jet wings?

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A triangle is the best shape to approximate 3 dimensional surfaces. What is the best shape to approximate things in 4 dimensions?

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Is culling older bulls a valid conservation strategy for black rhinoceroses?

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Is the passage of time different at the quantum level. In other words if you or I were the size of an atom would we experience time differently?

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Are there any beneficial viruses?

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laser. discrete or continuous?

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Is there any scientific basis for the idea that animals can sense fear?

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When you fart, the gas released is lighter than the surrounding air, indicating bouancy. Does this mean that we weigh nominally more after farting since we no longer have a gas inside our body that is slightly lighter than air?

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What cause dandruff? And how do anti-dandruff shampoos actually work (eg are they preventative or curative)?

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I have a luminous object with an escape velocity 99.9% the speed of light. Do the photon still come out immediately at c?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Are the clouds we see forming on mountain tops created by the same effect that creates contrails behind jet wings?	25
A triangle is the best shape to approximate 3 dimensional surfaces. What is the best shape to approximate things in 4 dimensions?	25
Is culling older bulls a valid conservation strategy for black rhinoceroses?	25
Is the passage of time different at the quantum level. In other words if you or I were the size of an atom would we experience time differently?	25
Are there any beneficial viruses?	25
laser. discrete or continuous?	25
Is there any scientific basis for the idea that animals can sense fear?	25
When you fart, the gas released is lighter than the surrounding air, indicating bouancy. Does this mean that we weigh nominally more after farting since we no longer have a gas inside our body that is slightly lighter than air?	25
What cause dandruff? And how do anti-dandruff shampoos actually work (eg are they preventative or curative)?	25
I have a luminous object with an escape velocity 99.9% the speed of light. Do the photon still come out immediately at c?	25