/r/askscience

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How can a single speaker make multiple notes at the same time that aren't on the same fundamental? (like a diminished chord, or a symphony

516 upvotes • TheOber

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If I wake up from sleep, and try to go back to sleep, does my "sleep cycle" reset, or pick up where it left off?

516 upvotes • drafterman

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What would it take to put a country like USA or Canada in as severe an economic collapse as Zimbabwe around 2008?

516 upvotes • LeftyLivesMatter

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Why are most opera singer's a bit overweight? Is there a correlation between body volume and vocal abilities?

516 upvotes • skmmcj

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What would happen if you ran a Tesla coil in a sand storm? Glass death storm?

515 upvotes • Ivebeenstimulated

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Why is it that an animal can go years without any form of brushing their teeth, yet if a human tried that, their teeth would rot?

515 upvotes • afrowe

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Why do so many prescription meds have a side effect of "suicidal thoughts"?

515 upvotes • MaGiiKStudios

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How do they figure out the age of very old trees without killing them?

515 upvotes • God-of-the-gaps

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Triangles are rigid in 2D space, pyramids are rigid in 3D space. Are there structures that are rigid in 4D or n-D) space?

515 upvotes • shady_mcgee

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If a p value of p=.01 was obtained does that mean that the likelihood of my results being due to sampling error would be 1% or 99%?

515 upvotes • HorseWizard

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Title	Upvotes	Author	Mark as read	Favorited	Rating	Add to a list
How can a single speaker make multiple notes at the same time that aren't on the same fundamental? (like a diminished chord, or a symphony	516	TheOber
If I wake up from sleep, and try to go back to sleep, does my "sleep cycle" reset, or pick up where it left off?	516	drafterman
What would it take to put a country like USA or Canada in as severe an economic collapse as Zimbabwe around 2008?	516	LeftyLivesMatter
Why are most opera singer's a bit overweight? Is there a correlation between body volume and vocal abilities?	516	skmmcj
What would happen if you ran a Tesla coil in a sand storm? Glass death storm?	515	Ivebeenstimulated
Why is it that an animal can go years without any form of brushing their teeth, yet if a human tried that, their teeth would rot?	515	afrowe
Why do so many prescription meds have a side effect of "suicidal thoughts"?	515	MaGiiKStudios
How do they figure out the age of very old trees without killing them?	515	God-of-the-gaps
Triangles are rigid in 2D space, pyramids are rigid in 3D space. Are there structures that are rigid in 4D or n-D) space?	515	shady_mcgee
If a p value of p=.01 was obtained does that mean that the likelihood of my results being due to sampling error would be 1% or 99%?	515	HorseWizard