/r/askscience

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How are the Nazca lines so permanent?

496 upvotes • tendorphin

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How big would a magnet need to be in order to extract iron from your body?

495 upvotes • ClimbTREES

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What is "gimbal lock" as it pertains to spacecraft, and why is it such a big deal?

495 upvotes • Macgyveric

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Is there an indivisible increment of time?

495 upvotes • XJFlaxon-Waxon

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If viruses are not technically alive, how did they come into existence? Did they evolve from something that was once alive?

495 upvotes • she_wantsthe_dyl

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Do black holes have a temperature?

495 upvotes • LunacyNow

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Why do Intel's next gen processors have lower clock-rate (~1.7GHz or ~1.9GHz) ?

495 upvotes • childofprophecy

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Ask Anything Wednesday - Engineering, Mathematics, Computer Science

495 upvotes • AutoModerator

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Does the auditory nerves activate, when we hear the voice of our thoughts?

495 upvotes • Amitez0410

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Could the human pineal gland, if exposed to light due to trepanation of the skull, function in extraretinal photoreception?

494 upvotes • TachySaurus

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Title	Upvotes	Author	Mark as read	Favorited	Rating	Add to a list
How are the Nazca lines so permanent?	496	tendorphin
How big would a magnet need to be in order to extract iron from your body?	495	ClimbTREES
What is "gimbal lock" as it pertains to spacecraft, and why is it such a big deal?	495	Macgyveric
Is there an indivisible increment of time?	495	XJFlaxon-Waxon
If viruses are not technically alive, how did they come into existence? Did they evolve from something that was once alive?	495	she_wantsthe_dyl
Do black holes have a temperature?	495	LunacyNow
Why do Intel's next gen processors have lower clock-rate (~1.7GHz or ~1.9GHz) ?	495	childofprophecy
Ask Anything Wednesday - Engineering, Mathematics, Computer Science	495	AutoModerator
Does the auditory nerves activate, when we hear the voice of our thoughts?	495	Amitez0410
Could the human pineal gland, if exposed to light due to trepanation of the skull, function in extraretinal photoreception?	494	TachySaurus