this post was submitted on 12 Oct 2024
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Science Memes

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Where does the music go? (mander.xyz)
submitted 1 month ago by [email protected] to c/[email protected]
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[–] [email protected] 31 points 1 month ago (15 children)

I'm not a scientist by a long shot, but my understanding is that sound if indeed a wave, carried by a medium (air, water, etc). Upon hitting your eardrum, this wave is converted by your eardrum and your auditory nerve into signals your brain decodes. The remainder of the wave continues though, until it runs out of medium, hits an obstacle (basically another medium) or dissipates. Again, just my layman's understanding!

[–] [email protected] 20 points 1 month ago (12 children)

Don’t forget the inverse square law. Even without a change in medium or any obstacles, the strength of the signal decrease over distance until it is undetectable.

This is also why there are no extraterrestrial civilizations hearing any radio broadcasts from Earth. Our transmitters are so weak that any signals we send out fade into the CMB before they get any real distance.

[–] spankmonkey 11 points 1 month ago* (last edited 1 month ago) (3 children)

So Lrrr and Ndnd warching Single Female Lawyer 1000 years in the future is a lie?

[–] nieceandtows 3 points 1 month ago (1 children)

Unless they have an extensive network of wormhole repeateds

[–] [email protected] 2 points 1 month ago

They've probably just got a spy satellite around earth that transmits back. Or maybe an extremely directional antenna / receiver dish would work, since they're focused on Earth specifically.

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