/r/askscience

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How close do a particle and its antiparticle have to be to annihilate?

550 upvotes • quarksarecolourful

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In the way the black absorbs all of the visible light spectrum, are there materials that can absorb the entire electromagnetic spectrum, like gamma and microwaves?

550 upvotes • Vorpalax

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Would a tablets auto-rotate feature work in space?

550 upvotes • fryether

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Would it be possible to make a "GPS" that spans the universe?

550 upvotes • masauce

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Why do whales die when they're beached too long? What is it that kills them?

550 upvotes • zeus_poops_shoes

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What is ATT or Verizon's average cost to deliver 1 GB of data to my smart phone?

550 upvotes • throw_it_in_the_lake

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Alright science, morning wood... why?

549 upvotes • Ladyrocket

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Why can't we vaccinate for STDs?

549 upvotes • HGpennypacker

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What is a "knot" in a muscle and how do they form?

549 upvotes • quincebolis

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What is the largest number of sides a single dice could have before it began to act like a sphere?

549 upvotes • Hokararu

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Title	Upvotes	Author	Mark as read	Favorited	Rating	Add to a list
How close do a particle and its antiparticle have to be to annihilate?	550	quarksarecolourful
In the way the black absorbs all of the visible light spectrum, are there materials that can absorb the entire electromagnetic spectrum, like gamma and microwaves?	550	Vorpalax
Would a tablets auto-rotate feature work in space?	550	fryether
Would it be possible to make a "GPS" that spans the universe?	550	masauce
Why do whales die when they're beached too long? What is it that kills them?	550	zeus_poops_shoes
What is ATT or Verizon's average cost to deliver 1 GB of data to my smart phone?	550	throw_it_in_the_lake
Alright science, morning wood... why?	549	Ladyrocket
Why can't we vaccinate for STDs?	549	HGpennypacker
What is a "knot" in a muscle and how do they form?	549	quincebolis
What is the largest number of sides a single dice could have before it began to act like a sphere?	549	Hokararu