Three years after a team of Caltech scientists showed that pairs of entangled photons could double the resolution of a light microscope, the same lab has figured out a way to double down on that improvement. They have now achieved a fourfold resolution boost compared to a classical microscope, u...
Source: [Phys.org](https://phys.org/news/2026-08-quantum-microscopy-quadruples-microscope-resolution.html)