/u/ch1214ch's posts in /r/askscience

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What keeps wi-fi waves from traveling more than a few hundred feet or so, what stops them from going forever?

10129 upvotes

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The two retinas are tied/linked together in the brain. Are they tied 1:1, so that each retinal point corresponds to the same retinal point in the other eye? I.e., each retinal point from one eye shares the same binocular neuron with its counterpoint in the other eye?

442 upvotes

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Do the atoms and/or electrons in a wall feel anything when a radio wave passes through them? i.e. do they move at all?

73 upvotes

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Why do old recordings have so much static/hissing/background noise to them?

28 upvotes

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How can a nerve that detects temperature be tuned to fire based on the speed at which air molecules are moving against our skin.. how would that even work?

16 upvotes

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How do the "1's and 0's" transmitted by a radio signal tell the speaker how to move in order to play a song on the radio?

16 upvotes

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Why don't the electrons in the wires that power your household appliances get disturbed by radio waves the way electrons in an antenna do?

15 upvotes

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How can a wireless router specifically send a signal to just one computer/device when there are multiple devices connected to the same router?

10 upvotes

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How do the two eyes see in registration with one another?

10 upvotes

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How does a resonance chamber work, like in a guitar?

7 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
What keeps wi-fi waves from traveling more than a few hundred feet or so, what stops them from going forever?	10129
The two retinas are tied/linked together in the brain. Are they tied 1:1, so that each retinal point corresponds to the same retinal point in the other eye? I.e., each retinal point from one eye shares the same binocular neuron with its counterpoint in the other eye?	442
Do the atoms and/or electrons in a wall feel anything when a radio wave passes through them? i.e. do they move at all?	73
Why do old recordings have so much static/hissing/background noise to them?	28
How can a nerve that detects temperature be tuned to fire based on the speed at which air molecules are moving against our skin.. how would that even work?	16
How do the "1's and 0's" transmitted by a radio signal tell the speaker how to move in order to play a song on the radio?	16
Why don't the electrons in the wires that power your household appliances get disturbed by radio waves the way electrons in an antenna do?	15
How can a wireless router specifically send a signal to just one computer/device when there are multiple devices connected to the same router?	10
How do the two eyes see in registration with one another?	10
How does a resonance chamber work, like in a guitar?	7