/u/banwe11's posts in /r/askscience

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Given that radiowaves reduce amplitude according to the inverse square law, how do we maintain contact with distant spacecraft like Voyager 1 & 2?

6286 upvotes

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If the Pfizer vaccine needs to be stored at low temperature, how does it survive in the body (37°C) for long enough to be effective?

50 upvotes

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Voluntary salary reductions: what does game theory say?

1 upvotes

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What's the difference between long-haired and short-haired cats? Do they just have different equilibria between hair growing and hair falling out?

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Could social distancing due to covid-19 have significant effects on other less infectious diseases?

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Why does grinding steel produce sparks whereas grinding aluminium does not?

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What causes the characteristic sound that modern subway/metro trains make as they pull away?

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How do astronomers distinguish between light that is red-shifted due to age/distance (space expansion) and light that was originally emitted at that wavelength?

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Can musical notes be defined in absolute frequency (Hz) or are they just relative to each other?

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Can we define a "location" for Earth within the known universe?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Given that radiowaves reduce amplitude according to the inverse square law, how do we maintain contact with distant spacecraft like Voyager 1 & 2?	6286
If the Pfizer vaccine needs to be stored at low temperature, how does it survive in the body (37°C) for long enough to be effective?	50
Voluntary salary reductions: what does game theory say?	1
What's the difference between long-haired and short-haired cats? Do they just have different equilibria between hair growing and hair falling out?	1
Could social distancing due to covid-19 have significant effects on other less infectious diseases?	1
Why does grinding steel produce sparks whereas grinding aluminium does not?	1
What causes the characteristic sound that modern subway/metro trains make as they pull away?	1
How do astronomers distinguish between light that is red-shifted due to age/distance (space expansion) and light that was originally emitted at that wavelength?	1
Can musical notes be defined in absolute frequency (Hz) or are they just relative to each other?	1
Can we define a "location" for Earth within the known universe?	1