Meet the EMF meter, the little tool that ghost hunters swear by - io9
URL: http://io9.com/5875212/meet-the-emf-meter-the-little-tool-that-ghost-hunters-swear-by/
Submitted: Thu Jan 12 2012
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CT: News Archive: Meet the EMF meter, the little tool that ghost hunters swear by - io9
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Let's take a look at what EMF meters measure, survey the different types of meters, and find out how EMF meters became front line instruments for paranormal exploration. EMF meters detect fields emitted by moving electrically charged objects. ...