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Textbooks give strange, imprecise explanations of where things happen in quantum mechanics. Consistency with gravity needs a fresh approach.
A novel theory of 'wavy space-time' suggests that the division between our best descriptions of the universe on its smallest and largest scales may be because gravity does not play by quantum rules.
One of the most robust 1,2 expectations for quantum gravity—the theory describing the interplay between gravity and quantum mechanics—is that space-time itself at the smallest scales should ...
The third Quantum Gravity conference took place at Penn State University from 21 to 25 July 2025, bringing together ...
Did space-time emerge from quantum effects? We first discovered the laws of gravity, and then those of quantum mechanics. But new work suggests nature might go about it the other way around: space ...
The Einstein equation of general relativity describes spacetime and gravity, while the rest of physics is described by quantum mechanics and the Schrodinger equation.
Physicists have linked the “gravitational memory effect” to fundamental cosmic symmetries and a potential solution to the black hole information paradox.
One: Gravity is quantum - this means gravity and by extension the fabric of spacetime exhibit the various weird properties of quantum world, like superposition and entanglement.
Einstein’s theory of general relativity, where gravity is caused by the curvature of space-time, is awesome. It has been confirmed to an incredible level of precision, extending to fifteen ...
Two possible entanglement patterns in de Sitter space, representing entangled bits of quantum information that may enable space, time and gravity to emerge.