/r/askscience

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Why are rotary engines considered unreliable, or "bad" when compared to piston engines?

676 upvotes • renegade_warrior

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Why do wireless electronics only use 2.4 and 5ghz bands?

676 upvotes • benplante1

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Could you tell that camels have humps just by looking at their skeletons?

676 upvotes • Bteatesthighlander1

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Since the moon is moving away from us, will it remain tidally locked to Earth or will its rotation one day become out of sync with its orbit?

676 upvotes • TheSentinelsSorrow

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Does the Snooze Button Actually Give Us More Rest?

675 upvotes • NinjaKibbles

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How did dyslexia manifest itself before the rise of written language?

675 upvotes • Shmexy

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How exactly is callus formed?

675 upvotes • tjdans7236

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Why do some species of animals have multiple offspring and some don't?

675 upvotes • DwNhIllN00b

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Is it possible/does it exist, a compund that is transparent when it is over 0°C, but a vibrant color when under 0°C?

675 upvotes • drita247

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Can an accretion disk around a black hole become so dense that fusion begins and generates a toroidal star?

675 upvotes • Fr31l0ck

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Title	Upvotes	Author	Mark as read	Favorited	Rating	Add to a list
Why are rotary engines considered unreliable, or "bad" when compared to piston engines?	676	renegade_warrior
Why do wireless electronics only use 2.4 and 5ghz bands?	676	benplante1
Could you tell that camels have humps just by looking at their skeletons?	676	Bteatesthighlander1
Since the moon is moving away from us, will it remain tidally locked to Earth or will its rotation one day become out of sync with its orbit?	676	TheSentinelsSorrow
Does the Snooze Button Actually Give Us More Rest?	675	NinjaKibbles
How did dyslexia manifest itself before the rise of written language?	675	Shmexy
How exactly is callus formed?	675	tjdans7236
Why do some species of animals have multiple offspring and some don't?	675	DwNhIllN00b
Is it possible/does it exist, a compund that is transparent when it is over 0°C, but a vibrant color when under 0°C?	675	drita247
Can an accretion disk around a black hole become so dense that fusion begins and generates a toroidal star?	675	Fr31l0ck