The magnetic shifts can affect navigation systems used by airplanes, ships and even your mobile phone.
. Their quantum magnetometers use a technology called nitrogen vacancy diamonds. These diamonds are specifically engineered so that their usual lattice of carbon atoms is disrupted by the placement of a nitrogen atom next to a small void. This frees up two electrons within the diamond, which subsequently have their quantum state excited by the application of green laser light.
Such measurements can be plagued with noise, and on space missions a magnetometer is usually placed on a boom sticking out from the spacecraft to isolate the instrument from sources of magnetic field noise coming the craft itself, while adding extra complexity, cost and risk to a mission. However, SBQuantum have developed machine-learning algorithms that can cut through this interference, allowing the quantum magnetometer to be housed inside a spacecraft.
France Dernières Nouvelles, France Actualités
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