How could I build an EMF pump, or EMF generator to generate levels of electromagnetic field in a small room? Answered
As a lot of people know, electromagnetic fields have been associated with hauntings, and some theorize that entities use these as power sources to affect things on our plane. I've seen these things being built and sold on the internet, even being run with a 9V battery and emitting 300 gauss in an entire small room. How could I go about building one of these units?