this post was submitted on 01 Feb 2026
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Science Memes

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(page 2) 19 comments
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[–] 5715@feddit.org 3 points 1 week ago

In an tidal earth system, the water doesn't even go anywhere, it simply vibrates back and forth

[–] NigelFrobisher@aussie.zone 2 points 1 week ago (2 children)

Yep, exactly why it works so much better over distance than DC.

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[–] Midnitte@beehaw.org 1 points 1 week ago (4 children)

Presumably the vibrating back and forth causes a net negative charge to propagate down the line?

[–] bigfish@lemmy.dbzer0.com 2 points 1 week ago

Nah. Power is just the potential to do work. Clever electrical engineering just takes advantage of the teensy pushes and pulls to do that work. Like pushing a swing, I don't move but my kid sure can go high when I apply those pushes and pulls at the right time.

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[–] ivanafterall@lemmy.world 1 points 1 week ago (1 children)

So you're admitting that AI data centers vibe pretty hard? Your words!

[–] pedz@lemmy.ca 2 points 1 week ago

Technically, computers are running on DC. The PSU is fed by AC but its sole purpose is to convert all the power the computer needs to DC. It's possible to only use DC to power computers and it's probably/apparently more efficient.

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