How Could Submarine Gravity Detectors Work? China is…
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How Could Submarine Gravity Detectors Work?
China is supposedly developing a device to use minute changes in the gravitational field that could find submarines: https://interestingengineering.com/military/chinas-sensor-detect-hidden-us-nuclear-submarines
A neutrally buoyant submarine will have the same mass as the water it displaces, so shouldn't it have the same gravitational pull as water of the same volume? What differences are there to detect?
#science
China is supposedly developing a device to use minute changes in the gravitational field that could find submarines: https://interestingengineering.com/military/chinas-sensor-detect-hidden-us-nuclear-submarines
A neutrally buoyant submarine will have the same mass as the water it displaces, so shouldn't it have the same gravitational pull as water of the same volume? What differences are there to detect?
#science
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