A device that measures acceleration very precisely using quantum effects can be used for navigation when GPS is not available


October 28, 2022

A quantum accelerometer could help ships navigate


A quantum device that can determine its position in three dimensions is more accurate than non-quantum versions. Vehicles can use it for navigation even if GPS stops working.

One way to track the position of something is with an accelerometer, which is a small device found in everything from phones to drones. Accelerometers work by detecting changes in movement and therefore position.

It has been known for decades that quantum effects can be used to make accelerometers more accurate, but most…