this post was submitted on 05 May 2026
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Science Memes

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[–] xzinik@feddit.cl 2 points 6 days ago (2 children)

Now imagine an object that needs to be turned 720 degrees to return to the same position. Some particles are actually like that (electrons, for example). This is designated by a spin of 1/2 (as in, one full rotation flips it around, and it needs a second full rotation to reset).

why the hell this is bringing me traumatic flashbacks of when i went in a rabbit hole learning why and how 4 dimensions rotations are used in 3d software to avoid gimbal locking

[–] rockerface@lemmy.cafe 4 points 6 days ago

Ah, quaternions, good old fun. You can use them to describe these, too.

[–] JennyLaFae@lemmy.blahaj.zone 1 points 5 days ago

Reminding me of how to turn a sphere inside out

https://youtu.be/Zv-XNlE1s8E