Category
Photonics
2 articles in this category
PHYSICS
The first nuclear clocks tick in thorium-doped crystals
Physicists in Vienna and Beijing have built the first clocks that keep time with the nucleus of a thorium atom held in a small crystal. For now they run worse than atomic clocks, but they are already helping the search for dark matter.
2026-10-08
PHOTONICS
Why the photon computer did not work for 30 years
Physics has worked since 1990 - engineering has failed. Three walls: crosstalk, thermal noise and a jump from 56 optical components to thousands. Why photonics is still on the laboratory bench.
2026-07-24