Quantum Experiment Breaks a Long-Standing X-Ray Energy Limit
Helium atoms can produce coherent X-rays at energies beyond the cutoff predicted by standard high-harmonic theory. Credit: Shutterstock…
Scientists Discover Quantum Entanglement in a Crystal You Can Hold
Proof of quantum effects in a strange metal. Credit: Harald Ritsch / TU Wien TU Wien has detected…
The Strange “Spacetime Crystal” That Can Suddenly Turn Into a Black Hole
Physicists have long known that black holes do not necessarily have to form from collapsing stars. Under the…