Spin Explained in 5 Minutes

One of the weirdest properties of the quantum world

Kasper Müller
Cantor’s Paradise
5 min readAug 29, 2022

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Image from Wikimedia Commons

Imagine a ball. Only this ball has a weird property, namely that you need to rotate it two times (720 degrees) to get back to where you started. If you only rotate in once, then you get a negative version of it, like a blouse inside out.

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Mathematician, programmer and writer interested in the mysteries of the Universe, fascinated by the human mind, music and things that I don’t understand.