Science Memes

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we are but a gravy train in outer space (mander.xyz)

submitted 7 months ago by [email protected] to c/[email protected]

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[–] [email protected] 12 points 7 months ago (15 children)

Gravity isn't a force tho...

[–] [email protected] 8 points 7 months ago (2 children)

Knowledge is knowing that tomato is a fruit.

Wisdom is still not putting it in a fruit salad.

Gravity isn't a force. Its effects can be mapped to an equivalent pseudo force and used as such. Outside of general relativity, or Quantum mechanics discussions, gravity is a force.

[–] [email protected] 2 points 7 months ago (1 children)

But is it fundamental though?

[–] [email protected] 5 points 7 months ago

We don't know. Right now, relativity and QM fundamentally disagree on what gravity is. Both are also hugely accurate in their predictions. QM treats it as a force comparable to EM or the strong force. GR says it's space itself moving. The force we experience is just a reaction to us trying to stay still, as space moves through us.

Beyond that, defining anything as fundamental is a challenge. How are you using fundamental?

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