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

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Why do airplanes fly so high? Wouldn't it be shorter if they flew at low altitude? I mean... Earth is round, so it's smaller radius, therefore smaller length.

76 upvotes

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How accurate can we get when measuring the speed of light? Wouldn't time be slower in one zone than another zone as the light travels, therefore make the measurements of it inconsistent?

32 upvotes

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Screen's response times and human perception

20 upvotes

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How strong were the first steels (areas around India/Sri Lanka from 500-300 BC)?

11 upvotes

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Is there a such number system where irrational numbers are the norm?

10 upvotes

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If sound is from particle pressure and particles (in the air) are constantly moving, shouldn't we continuously hear some kind of static or are we evolved to ignore that like we ignore seeing blood vessels/spots in our vision?

3 upvotes

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Solid/Liquid/Vapour triple point of H2O

3 upvotes

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How much strength/force and human bones/tendons/skin bear?

3 upvotes

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Currently, we are able to 3D print in plastic. What about other materials/elements?

1 upvotes

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I understand diatoms are producers, but what can they really produce with their kind of size?

1 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Why do airplanes fly so high? Wouldn't it be shorter if they flew at low altitude? I mean... Earth is round, so it's smaller radius, therefore smaller length.	76
How accurate can we get when measuring the speed of light? Wouldn't time be slower in one zone than another zone as the light travels, therefore make the measurements of it inconsistent?	32
Screen's response times and human perception	20
How strong were the first steels (areas around India/Sri Lanka from 500-300 BC)?	11
Is there a such number system where irrational numbers are the norm?	10
If sound is from particle pressure and particles (in the air) are constantly moving, shouldn't we continuously hear some kind of static or are we evolved to ignore that like we ignore seeing blood vessels/spots in our vision?	3
Solid/Liquid/Vapour triple point of H2O	3
How much strength/force and human bones/tendons/skin bear?	3
Currently, we are able to 3D print in plastic. What about other materials/elements?	1
I understand diatoms are producers, but what can they really produce with their kind of size?	1