/u/whalabi's posts in /r/askscience

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Animals, e.g. (wild) cats, have loads of anonymous sex and know nothing about protection or medicine. Why aren't they decimated by cat aids?

474 upvotes

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What would be required to generate a magnetic field for a space station powerful enough to protect the interior from radiation?

59 upvotes

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WiFi signals are electromagnetic radiation, which are photons. How do they travel through walls?

46 upvotes

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Does remembering or imagining, say, a hug have the same psychological/biochemical effects as the real deal?

34 upvotes

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How does my TV pick up what I'm doing on the remote when I face it away from the TV?

3 upvotes

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If an air conditioner was locked in a (somehow) heat-sealed room, with it's air intake, would the room (not the internals of the aircon) get hotter or colder or stay the same?

3 upvotes

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Why are humans (one of?) the only species to evolve facial and head hair that grows and grows, and not much hair elsewhere?

3 upvotes

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What does it MEAN that pi doesn't end or repeat? Implications? Causes? Anything?

2 upvotes

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Is it easier to put on muscle when skinny or fat?

1 upvotes

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Does spacetime have infinite resolution?

1 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Animals, e.g. (wild) cats, have loads of anonymous sex and know nothing about protection or medicine. Why aren't they decimated by cat aids?	474
What would be required to generate a magnetic field for a space station powerful enough to protect the interior from radiation?	59
WiFi signals are electromagnetic radiation, which are photons. How do they travel through walls?	46
Does remembering or imagining, say, a hug have the same psychological/biochemical effects as the real deal?	34
How does my TV pick up what I'm doing on the remote when I face it away from the TV?	3
If an air conditioner was locked in a (somehow) heat-sealed room, with it's air intake, would the room (not the internals of the aircon) get hotter or colder or stay the same?	3
Why are humans (one of?) the only species to evolve facial and head hair that grows and grows, and not much hair elsewhere?	3
What does it MEAN that pi doesn't end or repeat? Implications? Causes? Anything?	2
Is it easier to put on muscle when skinny or fat?	1
Does spacetime have infinite resolution?	1