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When I lived in Long Island, N.Y., I had a most interesting experience when visiting Nikola Tesla’s Wardenclyffe Tower location. The tower stood tall from 1901 to 1917, on a 200-acre plot, in this remote location on the North Shore of Long Island. It wasn’t far from my home for most of my life.

Now just imagine a relatively small Tesla coil able to generate an electromagnetic field that could induce electrical currents in nearby conductors. Imagine how much havoc this could wreak on present-day computers, communications, building wiring, and other electronics. Tesla’s Tower would be far more powerful than a small, experimental coil tested in a lab.