Quote:
Originally Posted by Esteban
Spherical objects as old rings also are better detectable. Don't understand why you need wait between each experiment.
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Because if you want to try a new shape you have to dig and replace the object, but by doing so you destroy the phenomenon, right?
Quote:
Originally Posted by Qiaozhi
This dependence on physical shape would imply that eddy currents are an important aspect in detection ... but, at the distances you are discussing, any eddy currents would be miniscule and undetectable.
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Yes, and material would not be so important i think:aluminium is a good conductor too.But irregular shapes helps to leak HV.