/r/askscience

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Does antimatter reflect photons?

635 upvotes • spodermenswegs

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What's the coolest thing you can see with a consumer-grade telescope?

634 upvotes • hjfreyer

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What kind of bonds keep burnt food stuck to metal surfaces?

634 upvotes • TangentialInterest

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Condoms are said to be 98% effective against pregnancy when used correctly. What constitutes the 2% risk?

634 upvotes • klackity

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How powerful would the "Little Boy" atomic bomb have been had all 141 lbs of Uranium-235 undergone fission?

634 upvotes • SkordilWabramop

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If light is effected by gravity of black holes, does that mean light can orbit a black hole?

634 upvotes • Elipes_

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What happens to the blood inside your body when you die?

633 upvotes • flubberFuck

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Could you make gamma rays via Bremsstrahlung?

633 upvotes • FinianMcCool

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Dreams are said to be very short in real time, so why is it that when people talk in their sleep it's at normal speed?

632 upvotes • namrettik

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How deep into the earth have humans explored?

632 upvotes • tosborn13

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Title	Upvotes	Author	Mark as read	Favorited	Rating	Add to a list
Does antimatter reflect photons?	635	spodermenswegs
What's the coolest thing you can see with a consumer-grade telescope?	634	hjfreyer
What kind of bonds keep burnt food stuck to metal surfaces?	634	TangentialInterest
Condoms are said to be 98% effective against pregnancy when used correctly. What constitutes the 2% risk?	634	klackity
How powerful would the "Little Boy" atomic bomb have been had all 141 lbs of Uranium-235 undergone fission?	634	SkordilWabramop
If light is effected by gravity of black holes, does that mean light can orbit a black hole?	634	Elipes_
What happens to the blood inside your body when you die?	633	flubberFuck
Could you make gamma rays via Bremsstrahlung?	633	FinianMcCool
Dreams are said to be very short in real time, so why is it that when people talk in their sleep it's at normal speed?	632	namrettik
How deep into the earth have humans explored?	632	tosborn13