/r/askscience

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Only show posts with narrations

8 y/o cousin's questions about mass in the universe had us stumped, can you guys help?

1307 upvotes • chocolate_on_toast

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Why does a laser spot look grainy?

1307 upvotes • superblinky

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Given a planet with higher gravity than earth, lets say 3g, do humans become more or less bouyant in regular water and why?

1307 upvotes • GrandTusam

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Is a mini nuke, such as the one launched by the Fatboy in Fallout, possible?

1306 upvotes • pact1558

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Ask Anything Wednesday - Biology, Chemistry, Neuroscience, Medicine, Psychology

1306 upvotes • AutoModerator

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How long did the impact winter that killed the dinosaurs last?

1306 upvotes • MestR

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When a photon is emitted from an stationary atom, does it accelerate from 0 to the speed of light?

1305 upvotes • Rullknufs

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When I use a counterfeit Apple charger on my iPhone it says "not supported" and won't charge. Can my iPhone actually block the power it's receiving from the charging cord? How does it do it?

1305 upvotes • LiterallySagan

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Why do longer screws have a blank section near the head instead of threads going all the way up?

1305 upvotes • SteveTCook

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If I have 20/20 vision and use someone else's glasses, is what I see with their glasses on equivalent to what they see without glasses?

1304 upvotes • FrozenGlobe

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Title	Upvotes	Author	Mark as read	Favorited	Rating	Add to a list
8 y/o cousin's questions about mass in the universe had us stumped, can you guys help?	1307	chocolate_on_toast
Why does a laser spot look grainy?	1307	superblinky
Given a planet with higher gravity than earth, lets say 3g, do humans become more or less bouyant in regular water and why?	1307	GrandTusam
Is a mini nuke, such as the one launched by the Fatboy in Fallout, possible?	1306	pact1558
Ask Anything Wednesday - Biology, Chemistry, Neuroscience, Medicine, Psychology	1306	AutoModerator
How long did the impact winter that killed the dinosaurs last?	1306	MestR
When a photon is emitted from an stationary atom, does it accelerate from 0 to the speed of light?	1305	Rullknufs
When I use a counterfeit Apple charger on my iPhone it says "not supported" and won't charge. Can my iPhone actually block the power it's receiving from the charging cord? How does it do it?	1305	LiterallySagan
Why do longer screws have a blank section near the head instead of threads going all the way up?	1305	SteveTCook
If I have 20/20 vision and use someone else's glasses, is what I see with their glasses on equivalent to what they see without glasses?	1304	FrozenGlobe