Before the turn of the twentieth century, Nikola Tesla experimented with inducing a frequency into the earth to transmit electric current, wirelessly, to distant receivers. Tesla built a laboratory and tower with underground tunnels in the town of Shoreham, New York from 1902 to 1903. He called the site Wardenclyffe but the nature and purpose of the underground tunnels to the 57-m tall tower remain a mystery to this day.
Electrical imaging and microgravity measurements provide definitive evidence for the location of four orthogonally-placed tunnels and two support tunnels…
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