Comment on Hertz, showing the difference between science and engineering

• dustyData@lemmy.world ⁨1⁩ ⁨month⁩ ago

  But somehow more reliable.

  source
• Tar_alcaran@sh.itjust.works ⁨1⁩ ⁨month⁩ ago

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

  source

  • gandalf_der_12te@discuss.tchncs.de ⁨1⁩ ⁨month⁩ 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.

    source

    • Tar_alcaran@sh.itjust.works ⁨1⁩ ⁨month⁩ ago

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

      source

      • gandalf_der_12te@discuss.tchncs.de ⁨1⁩ ⁨month⁩ ago

        yeah, true

        source