An electric charge (like a proton) creates an electric field in the region around it. This field points away from positive charges and decreases in strength as it gets farther away from the charge.

MINNEAPOLIS--(BUSINESS WIRE)--Nortech Systems Incorporated (Nasdaq: NSYS) (the "Company"), a leading provider of engineering and manufacturing solutions for complex electromedical and ...

About 1.4 billion lightning strikes occur around the world each year — if we could harness them, it would meet roughly 1.5 percent of current global energy consumption. But that’s one of the goals of ...

A radio is able to receive signals and make sound when outside a Faraday cage. The cage blocks the signals when placed over the radio, silencing it. The cage gaps are on the order of centimetres, but ...