Ghosts are a booooming business. If you join one of the hundreds of ghost-hunting excursions offered around the country, you’re likely to encounter a slew of gadgets: EMF meters, REM pods, and spirit ...

A couple of months ago I searched online for an EMF detector after talking with Kyle Weins of iFixit about alleged radiation from smart meters. (Actually, my first foray into EMF detection was with an ...