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quantum gravity
Can Physicists Finally Detect the Graviton Particle?
Graviton particle detection may finally be possible. PBS Space Time explains two proposals using quantum phonons and laser interferometers to test whether gravity...
Why Mathematicians Say the Universe Cannot Be a Simulation
UBC physicists use Godel's incompleteness theorem to argue reality contains truths no algorithm can reach, challenging the simulation hypothesis.
Gravitational Wave Hunters Find Hidden Signals on a Desktop
While physicists waited decades for space missions, tabletop detectors cracked open a frequency band that was supposed to be unreachable from Earth.
Black Hole Information Paradox: Could Spacetime Remember?
Physicist Florian Neukart proposes spacetime stores quantum information at the Planck scale, offering a new approach to the black hole information paradox.
String Theory Explained: Susskind Says It's Time to Start Over
Leonard Susskind, who built string theory, says it solves the wrong problem. Here is a clear explanation of the de Sitter crisis and...
IceCube's Billion-Ton Detector Finds No Quantum Foam
Antarctic neutrino observatory finds no evidence of spacetime foam, setting strongest limits on quantum gravity effects with million-fold precision improvement.
When Gravity Goes Random: A New Take on Quantum Gravity
Jonathan Oppenheim's postquantum gravity theory gives spacetime itself a random element. It may solve the century-old unification problem, and could even explain dark...
Inside the Planck Era: When Physics Runs Out of Answers
At the universe's first moment, the Planck era, both general relativity and quantum mechanics break down. Here is what physicists believe happened.
