this post was submitted on 07 Jun 2024
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[–] cows_are_underrated@discuss.tchncs.de 20 points 5 months ago (3 children)

Actually it really looks like physic needs imaginary numbers to accurately explain reality.

https://www.sciencenews.org/article/quantum-physics-imaginary-numbers-math-reality

[–] egeres@lemmy.world 9 points 5 months ago (2 children)

This was one of the points of contention with the quantum revolution of the beginning of the 1900's, schrödinger came up with the equation, which fitted like a glove for a lot of scenarios, but it had an imaginary component, which baffled a lot of people since it could imply reality uses such numbers at a fundamental level

[–] Papergeist@lemmy.world 17 points 5 months ago (1 children)

"Imaginary" is just a misnomer. Descartes basically ran a smear campaign against them.

[–] egeres@lemmy.world 7 points 5 months ago (1 children)

That's actually a good point I had never considered! In a way you could consider that "negative numbers are imaginary as well"

[–] Papergeist@lemmy.world 4 points 5 months ago

And that's never something I considered. You can't see a negative amount of apples. Must be imaginary!

[–] cynar@lemmy.world 8 points 5 months ago

What's really screwy is you can force light to only travel as a evanescent wave. It's completely undetectable without a second interaction, but light must transmit energy using the purely imaginary part of the complex wave.

The imaginary component definitely has some physical meaning, it's not just a useful mathematical trick.

[–] Snowclone@lemmy.world -3 points 5 months ago (1 children)

This is why some observers have noticed that religion, 'the God of the gaps' especially, is dying and losing any use or meaning, leading to less metaphysical thought in everyday life, that math and physics especially now use metaphysical thought is the primary tool of new understanding and discovery. Which is bringing it back into everyday life.

[–] Chadus_Maximus@lemm.ee 2 points 5 months ago* (last edited 5 months ago)

For some it's the stock market instead of physics. Human brains are wired to invent patterns and meanings in places where there aren't any.