• nothacking@discuss.tchncs.de
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    1 year ago

    Really? If have had good results just placing a screwdriver inside an electromagnet, still magnetized a few years later.

    • lightnsfw@reddthat.com
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      1 year ago

      Maybe it depends on the coil/power source. When I tried it I was just messing around with a coil I had and 12v source and it was not that effective.