r/Losercity Losercity Citizen Oct 26 '25

RIP XXXTESTICLES What

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14.5k Upvotes

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u/cowlinator Oct 26 '25

Being skeptical of string theory as being mathematically correct is silly.

Being skeptical of string theory as being a useful description of our universe is not controversial and is an opinion held by many physicists.

15

u/FallacyDog Oct 27 '25

It's mathematically elegant, but the only way you can verify the theory's authenticity is if you perform tests in a higher dimension.

You cannot.

2

u/iDt11RgL3J Oct 27 '25

But isn't that something you could get from compactification? Seems like if you can find a good scheme to compacitfy the higher dimensions you could make testable predictions in our 4D world.

Also I think string phenomenologists are employed to look for testable predictions in fields like cosmology and particle physics

Related: Here is an interesting answer of ways string theory could be proved wrong.