this post was submitted on 13 Oct 2024
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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] 4 points 1 month ago (2 children)

If you're gripping the bottom of the wheel you move your hands left to make the car turn right. Which is kind of the whole problem here. Rotation around a centre doesn't happen right or left. That's the whole reason why the words "clockwise" and "anticlockwise" exist. Translation = right, left, up, down, forward, back. Rotation = clockwise, anticlockwise.

[โ€“] [email protected] 1 points 1 month ago (1 children)

It doesn't matter where you hold the wheel. When you're turning right, you're always doing the right movement for tightening a screw, no matter the hand position. That's the point.

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

A clockwise rotation turns a car to the right (in forward gear) and tightens a nut (right hand threaded). But this is not a rotation to the right. It's a clockwise rotation. You can't rotate "to the right". That's the point.

[โ€“] [email protected] 1 points 1 month ago

I agree. But you can say turn to the right and people connect the clockwise movement of the wheel with the direction of the car, which makes it possible for people to understand each other's instructions intuitively even if they use right-left terminilogy instead of the precise clockwise-counterclockwise one.

[โ€“] [email protected] -1 points 1 month ago (1 children)

If I ask you to turn the car left and you give me this speech I would eject from the car.

[โ€“] [email protected] 0 points 1 month ago (1 children)

Yes, and I would be devastated to see you go.

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

At least until the next bend in the road where the sign indicating a left turn ahead is more than you can handle.

[โ€“] [email protected] 0 points 1 month ago (1 children)

Yes. I should imagine I would be quite happy that you were gone by then.

[โ€“] [email protected] 1 points 1 month ago (1 children)
[โ€“] [email protected] 1 points 1 month ago

Yeah, same old. You?