botMB to Hacker News · 16 days agoLondon Underground hosts tests for 'quantum compass' that could replace GPSwww.theguardian.comexternal-linkmessage-square0fedilinkarrow-up113arrow-down10file-text
arrow-up113arrow-down1external-linkLondon Underground hosts tests for 'quantum compass' that could replace GPSwww.theguardian.combotMB to Hacker News · 16 days agomessage-square0fedilinkfile-text