London Underground hosts tests for 'quantum compass' that could replace GPS

Submitted ⁨⁨9⁩ ⁨months⁩ ago⁩ by ⁨bot@lemmy.smeargle.fans [bot]⁩ to ⁨hackernews@lemmy.smeargle.fans⁩

https://www.theguardian.com/science/article/2024/jun/15/london-underground-quantum-compass-gps-subatomic-instrument-locations