When you turn it on, the detector sends an electrical current into the transmitter coil, creating an electromagnetic field that reaches down into the ground when the coil is held perpendicular to it.
An advanced metal detector coil encompasses the diameter of the sensor head. Passing current through the MD coil creates an electromagnetic field that induces an electrical current in any metal ...
Paranormal investigators use them based on the theory that spirits may be able to manipulate EMF fields—when your meter’s lights go haywire, you can interpret that as a ghost. REM Pods Like ...
Opening the instruction leaflet it becomes clear that this is intended for use in monitoring electromagnetic fields for the purpose ... than the traditional metal-detector type of wire finder, ...
The strong localized electromagnetic fields generated by LSPR can dramatically increase the Raman scattering intensity, enabling single-molecule detection and highly sensitive chemical analysis. SERS ...
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