Airbus’ Acubed and Google spinout SandboxAQ test MagNav, a quantum-sensing navigation device and potential GPS alternative, for 150+ flight hours across the US (Isabelle Bousquette/Wall Street Journal)

Isabelle Bousquette / Wall Street Journal:
Airbus' Acubed and Google spinout SandboxAQ test MagNav, a quantum-sensing navigation device and potential GPS alternative, for 150+ flight hours across the US  —  With GPS increasingly vulnerable to tampering, planes need more reliable navigation systems.  The magnetic pull in the Earth's crust could offer a novel solution.