this post was submitted on 16 Jun 2025
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Science Memes

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Hertz, showing the difference between science and engineering (lemmy.world)
submitted 1 week ago by The_Picard_Maneuver@lemmy.world to c/science_memes@mander.xyz
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[–] jaybone@lemmy.zip 8 points 1 week ago (2 children)

So like Bluetooth?

[–] dustyData@lemmy.world 10 points 1 week ago

But somehow more reliable.

[–] Tar_alcaran@sh.itjust.works 5 points 1 week ago* (last edited 1 week ago) (1 children)

Yes, except you need to buy each bit in a big glass jar.

Edit: only half joking, they used big Leiden Jars, which were basically giant glass batteries. There was no such thing as people with power at home, unless you were crazy rich

[–] gandalf_der_12te@discuss.tchncs.de 1 points 1 week ago (1 children)

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

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

[–] Tar_alcaran@sh.itjust.works 1 points 1 week ago (1 children)

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