this post was submitted on 17 Apr 2025
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Science Memes

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What else are they hiding from us? (lemmy.world)
submitted 3 days ago by [email protected] to c/[email protected]
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[–] verstra 5 points 3 days ago (1 children)

My quick guess would be that this a theory that explain some weird phenomenon we don't have a good explanation for yet. Like how we observe that stars and galaxies don't orbit as they should and then say that there is "dark mass" which is responsible.

[–] [email protected] 4 points 3 days ago (1 children)

It's a math trick. Not a physical theory.

[–] [email protected] 3 points 2 days ago

Yup. Electrical engineering does something similar. The addition and subtraction of voltages, currents, resistance, capacitance, and inductance in AC circuits is basically unworkable without the shortcut of converting the sinusoidal waves into imaginary phase angles and doing math on them, and then converting them back to sinusoidal waves as necessary.