Does Gravity Need Spacetime?
General relativity describes gravity as the curvature of spacetime, while some quantum-gravity approaches suggest that spacetime may emerge from deeper quantum structures.
If spacetime is not fundamental, what would replace curvature as the explanation for gravity?
Do emergent spacetime models offer explanation? What experimental or theoretical evidence would count against each position?
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Would it be gravitons?the sole partical that is theoretical that would connect relativity and quantum physics