• arefx
    link
    fedilink
    87 hours ago

    I guess I’m an idiot because I don’t understand lmao

    • @isyasad@lemmy.world
      link
      fedilink
      77 hours ago

      Your thumb is an arrow pointing at where you want the screw to go. After you curl your fingers, your fingers are arrows showing the direction to turn the screw

      • Instigate
        link
        fedilink
        344 minutes ago

        We were taught a similar trick in physics - point your right-hand thumb in the direction that current (or electrons, same same) is travelling and the curling of your fingers shows the direction of the resultant magnetic field that the current creates.

        • wuphysics87
          link
          fedilink
          134 minutes ago

          I teach physics. A prof of mine taught me the right hand rule applies to right handed bolts. No accident they are named that. I teach this to students now. Maybe 1 in 10 like it. The rest prefer their old rhyme. Oh well. Can’t say I didn’t try