Aerospace

2 stories

September 16, 2026 Analysis Quantum Sensing

Some Quantum Sensors Are Routine, but Quantum Navigation and Wearable Brain Scanners Remain in Trials

Microwave atomic clocks keep GPS time, and Exail says more than 20 of its cold-atom gravimeters are deployed. Quantum navigation units, wearable brain scanners, and atom-based radio receivers are still being tested against the classical instruments they would replace.

August 24, 2026 Analysis Quantum Sensing

Quantum Radar’s Long-Range Claims Have No Published Test

Researchers have measured quantum illumination's advantage over classical radar only with targets about a meter away or inside a refrigerator. Chinese state media have reported 100-kilometer-class detection for a single-photon radar, a different technique, without test data.