On Fri, 30 Aug 2002, Morgan Olsson wrote:

>But i don=B4t know anything about this really... how does it work? Can i
>use one sending coil, one magent and a reciever coil placed around a tub=
e
>in which i want to detect water?  How?

Search the web for proton precession magnetometer. What you want is the
same instrument but with constant field and you put in or remove the
water.

Peter

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