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

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If two particles are moving towards each other at the speed of light, does the distance between them reduces at twice the speed of light?

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Why can I and what is happening when I blur my vision at will?

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All corniness aside... is this a fact?

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If the world's supply of oil were to run out tomorrow, how much of the world's population would die off from famine in the coming years?

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I recently learned about (for lack of a better term) "breeding" with African slaves in the Colonies to make "stronger, better" workers. Could there be any lasting genetic effects making black people today (typically) better athletes/taller/etc?

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How feasible is it for us to have a complete and detailed mapping of what is on the ocean floor at some point in the future?

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Why is red hair much more prevalent on the British Isles than anywhere else?

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Is there a term that describes the psychological phenomenon of one person in a group of friends being established as the constant butt end of jokes?

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What is an observation in quantum mechanics?

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Since we can't observe matter passing the event horizon of a black due to time dilation, does it actually occur?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
If two particles are moving towards each other at the speed of light, does the distance between them reduces at twice the speed of light?	47
Why can I and what is happening when I blur my vision at will?	47
All corniness aside... is this a fact?	47
If the world's supply of oil were to run out tomorrow, how much of the world's population would die off from famine in the coming years?	47
I recently learned about (for lack of a better term) "breeding" with African slaves in the Colonies to make "stronger, better" workers. Could there be any lasting genetic effects making black people today (typically) better athletes/taller/etc?	47
How feasible is it for us to have a complete and detailed mapping of what is on the ocean floor at some point in the future?	47
Why is red hair much more prevalent on the British Isles than anywhere else?	47
Is there a term that describes the psychological phenomenon of one person in a group of friends being established as the constant butt end of jokes?	47
What is an observation in quantum mechanics?	47
Since we can't observe matter passing the event horizon of a black due to time dilation, does it actually occur?	47