this post was submitted on 13 Oct 2024
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471
Does each language have "lefty loosey righty tighty"? (lemmy.world)
submitted 3 days ago* (last edited 3 days ago) by [email protected] to c/[email protected]
313 comments fedilink hide all child comments
 

The world has a lot of different standards for a lot of things, but I have never heard of a place with the default screw thread direction being opposite.

So does each language have a fun mnemonic?

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[โ€“] [email protected] 12 points 3 days ago (2 children)

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

[โ€“] [email protected] 6 points 2 days ago (1 children)

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.

[โ€“] [email protected] 2 points 2 days 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