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A Revolutionary Quantum Compass Could Soon Make GPS-Free Navigation a Reality
America's Department of Energy has three R&D labs, according to Wikipedia, one of which is Sandia National Labs. And that New Mexico-based lab has just announced that "A milestone in quantum sensing is drawing closer, promising exquisitely accurate, GPS-free navigation." with research into "a ...
And that New Mexico-based lab has just announced that "A milestone in quantum sensing is drawing closer, promising exquisitely accurate, GPS-free navigation." For the first time, researchers from Sandia National Laboratories have used silicon photonic microchip components to perform a quantum sensing technique called atom interferometry, an ultra-precise way of measuring acceleration. The team published its findings and introduced a new high-performance silicon photonic modulator — a device that controls light on a microchip — as the cover story in the journal Science Advances...
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