3 ms·
Magnetometers are already used to detect submarines [0]. Maybe it isn't so much about the flux from the motor being detectable, but it's additional interferenc
by coredog64 9y ago
Magnetometers are already used to detect submarines [0]. Maybe it isn't so much about the flux from the motor being detectable, but it's additional interference with the Earth's magnetic field.
[0] https://en.m.wikipedia.org/wiki/Magnetic_anomaly_detector https://en.m.wikipedia.org/wiki/Magnetic_anomaly_detector
- simonh 9y agoThey're used to detect the hull, which is why Titanium is valuable for use in military submarine hulls as its non-magnetic. Fun fact, much of the Titanium used in US submarine hulls was sourced from - er - the USSR. The needed the foreign exchange more than it was worth denying the Titanium to the US.
- madengr 9y agoRead a book recently called "Big Ear" by John Krauss. He talks about degaussing ships in WWII since Germany was using magnetic mines.