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Hertz, showing the difference between science and engineering (lemmy.world)
submitted 2 days ago by [email protected] to c/[email protected]
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[-] [email protected] 1 points 1 day ago

There were electrochemical cells (invented in 1800) that provided a constant current for some time.

Idk the details. Look up Galvanic cell, Volta cell.

[-] [email protected] 1 points 1 day ago

Sure, but those are still "big glass jars full of electricity"

[-] [email protected] 1 points 1 day ago

yeah, true

this post was submitted on 16 Jun 2025
1370 points (99.9% liked)

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