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[-] Yondoza@sh.itjust.works 57 points 5 months ago

You think one imaginary number is crazy? Just wait till you learn about quaternions. One real number and 3 imaginary numbers forming a four dimensional coordinate system. It's the basis for quantum mechanics and most video game engines. Who thinks of this shit?

[-] linja@lemmy.world 16 points 5 months ago

Quaternions are not the basis for quantum mechanics. Biquaternions have some applications in quantum field theory, but there are many areas of quantum mechanics where there's no need or space for anything above complex.

[-] Yondoza@sh.itjust.works 7 points 5 months ago

Oops my bad, it's been a while. I thought the Hamiltonian used quaternions, but I guess that's just complex numbers.

[-] linja@lemmy.world 5 points 5 months ago

The Hamiltonian using Hamilton's numbers? Now I think about it it is a bit silly that two entirely separate yet highly propinquitous concepts have such similar names. Physics really went downhill once humans started writing it down.

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this post was submitted on 07 Jun 2024
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