this post was submitted on 13 Oct 2024
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One mnemonic is to imagine yourself opening a jar.
I use the right hand rule - ball up your fist with your thumb sticking out, and turning in the direction of your fingers curling will result in the screw going the rest your thumb points.
Me learning this about electromagnetism: huh, neat.
Me learning this about something I actually use in day to day life: ๐คฏ
It's especially helpful when you're looking at screws (or nuts!) from the back or any other weird frame of reference.