[Revised entry by Steven Weinstein and Dean Rickles on February 26, 2024.
Changes to: Main text, Bibliography]
Quantum Gravity, broadly construed, is a physical theory (still ‘under construction’ after over 100 years) incorporating both the principles of general relativity and quantum theory. Such a theory is expected to be able to provide a satisfactory description of the microstructure of spacetime at the so-called Planck scale, at which all fundamental constants of the ingredient theories, (c) (the velocity of light in vacuo), (hslash) (the reduced…
Originally appeared on Stanford Encyclopedia of Philosophy Read More
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