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

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Why does the atmosphere not stratify itself by the molecular mass of its components, with the heaviest gas at the bottom (e.g. CO2, O2, N2...He2, H2) ?

1352 upvotes

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What could have emitted the "Oh-My-God" particle (a likely proton caught traveling with 99.99999999999999999999951% of the speed of light?

225 upvotes

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Do 2 particles traveling with the speed of light at CERN smash into each other with double the speed of light?

34 upvotes

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How many metric tonnes of plants/fossils were necessary to generate such immense amounts of oil?

22 upvotes

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Does the Universe have a center of gravity?

20 upvotes

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Is there a handy, non-invasive and certain way of assessing people sleeping, also the sleeping phase they are in?

10 upvotes

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How fast does an earthquake propagate?

3 upvotes

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Given O2 and CO2 molecules occupy the same volume but CO2 is over a third heavier than O2, does this mean we loose weight while breathing? (or, we exhale a smaller gas volume?)

1 upvotes

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How could an alien civilization located amidst a dense star and dust cluster get an unbiased opinion about the real size of the Universe?

1 upvotes

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Does the temperature in my room increase if I delete a file on my PC?

1 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Why does the atmosphere not stratify itself by the molecular mass of its components, with the heaviest gas at the bottom (e.g. CO2, O2, N2...He2, H2) ?	1352
What could have emitted the "Oh-My-God" particle (a likely proton caught traveling with 99.99999999999999999999951% of the speed of light?	225
Do 2 particles traveling with the speed of light at CERN smash into each other with double the speed of light?	34
How many metric tonnes of plants/fossils were necessary to generate such immense amounts of oil?	22
Does the Universe have a center of gravity?	20
Is there a handy, non-invasive and certain way of assessing people sleeping, also the sleeping phase they are in?	10
How fast does an earthquake propagate?	3
Given O2 and CO2 molecules occupy the same volume but CO2 is over a third heavier than O2, does this mean we loose weight while breathing? (or, we exhale a smaller gas volume?)	1
How could an alien civilization located amidst a dense star and dust cluster get an unbiased opinion about the real size of the Universe?	1
Does the temperature in my room increase if I delete a file on my PC?	1