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

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A meter is defined as the distance light would go in a vacuum at 1/299792458 of a second. Where did this number come from?

2123 upvotes

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The 2nd Law of Thermodynamics dictates that a black body is a perfect absorber AND emitter of light. How does a black body emit light?

18 upvotes

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Why is it common for people to listen to the same songs for very long periods of time? Is it related to cognitive dissonance

1 upvotes

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How are some people able to seemingly easily stay awake for crazy amounts of time?

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How long does it take for muscle memory to develop, and does it ever stop developing for a specific task?

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We have just solved 42 as a sum of 3 cubes. The last number below 100 to be done. Why?

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What happens when I tap my fingers so long that they barely move anymore?

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How come we are better at things after taking a break for a while?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
A meter is defined as the distance light would go in a vacuum at 1/299792458 of a second. Where did this number come from?	2123
The 2nd Law of Thermodynamics dictates that a black body is a perfect absorber AND emitter of light. How does a black body emit light?	18
Why is it common for people to listen to the same songs for very long periods of time? Is it related to cognitive dissonance	1
How are some people able to seemingly easily stay awake for crazy amounts of time?	1
How long does it take for muscle memory to develop, and does it ever stop developing for a specific task?	1
We have just solved 42 as a sum of 3 cubes. The last number below 100 to be done. Why?	1
What happens when I tap my fingers so long that they barely move anymore?	1
How come we are better at things after taking a break for a while?	1