Tag: gravimetry
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Atom-interferometry gravity and inertial sensing — drift-free ABSOLUTE gravimetry is the genuine, deployed quantum advantage; satellite, gradiometry and inertial navigation are the unproven extensions
Evidence-first notes on quantum sensing and deep tech, at the edge of the lab and the market. Information only — not investment advice. All sensitivity, deployment and error figures are attributed to the instrument, field trial or announcement that reported them; peer-reviewed data (Nature), company statements (Exail, Q-CTRL), agency projections (NASA/JPL, MoD) and preprints (arXiv)…