Comment on Hertz, showing the difference between science and engineering

• dustyData@lemmy.world ⁨3⁩ ⁨weeks⁩ ago

  But somehow more reliable.

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• Tar_alcaran@sh.itjust.works ⁨3⁩ ⁨weeks⁩ ago

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

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  • gandalf_der_12te@discuss.tchncs.de ⁨3⁩ ⁨weeks⁩ 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.

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    • Tar_alcaran@sh.itjust.works ⁨3⁩ ⁨weeks⁩ ago

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

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      • gandalf_der_12te@discuss.tchncs.de ⁨3⁩ ⁨weeks⁩ ago

        yeah, true

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