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On Thursday, Jul 31, 2003, at 22:35 US/Pacific, Brian Whatcott wrote:
> I notice an unfamiliar form of magnetometer is
> coming from the nanomachine shops: the xylophone magnetometer.
> A current through a mechanically resonant bar results in a
> deflection due the Lorentz force in the presence of a magnetic field.
> The mechanical Q of the device provides a useful sensitivity
> enhancement. Thought to have uses in sensing stray fields at close
> quarters, say in noise reduction measures for outboard
> magnetometers aboard spacecraft.
>
> Brian Whatcott Altus OK Eureka!
Interesting; I never heard about this. My guess
is that the instrument is for measuring amplitudes
of sinusoidally changing fields. Is this correct?
Ludwik Kowalski