this post was submitted on 02 May 2024
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A proposed experiment could bring scientists closer to answering the long-standing question of whether gravity is a classical or a quantum phenomenon. (physics.aps.org)
submitted 6 months ago* (last edited 6 months ago) by ooli@lemmy.world to c/science@lemmy.world
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[–] HubertManne@kbin.social 2 points 6 months ago (1 children)

I wouldn't but it has been historically. Unsurprisingly with mirrors but always under the not insignificant influence of the suns gravity. Our most recent measurements I believe use cosmic bodies I believe which is what makes me wonder if our measurement is accurate. https://www.speed-of-light.com/historical_measurements.html

[–] bitfucker@programming.dev 1 points 6 months ago (1 children)

Oh sorry, I was talking about measuring C rather than 2C (since that is the only way we can get C, IIRC, you cannot measure C directly since SOME information must be conveyed when measurement begins AND ends, hence 2C). For C in a gravitational field, I have no idea but I suspect it will have something to do with relativity and time dilation if it has any effect at all.

[–] HubertManne@kbin.social 2 points 6 months ago

well we measure it assuming it has no effect and that is why going way back in this chain I said I would like a measurement outside the influence of a gravity well.