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2 yr. ago
  • I think these have basically always been carbon-zinc, or alkaline.

    Technically, zinc is a heavy metal, but basically harmless to humans unless you eat the whole thing. Alkaline batteries contain managous oxide, which is a heavy metal, but you'd need some serious chronic exposure to get into trouble from that.

    It's still a good idea not to open random crap that washes ashore, because there are definitely FAR more dangerous things that come in small metal cylinders. Like unexploded ordnance.

  • Yeah, also knows as a 4R25 6V battery, or the battery from a "24 hours lamp" (from way back when they still used lightbulbs, they last weeks now on LEDs). Those lanterns are used a lot in marine work and roadworks. Having one land in the sea is entirely common.

  • Urban pigeons and rats are definitely NOT a safe food. They're full of chemical pollution that you can't cook out, and probably more than a few diseases which you might also catch. It beats starving to death, but you should consider basically anything else, including boiling your (vegetable tanned) leather belts and shoes.

  • Boost For Lemmy @lemmy.world
    Tar_Alcaran @sh.itjust.works

    Hiding read posts?

    There are a whole bunch of options to mark posts as read, but as of yet, I can't seem to find an option to actually hide to posts.

    Am I missing something, or does marking a post just grey it out?