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Some of Dr. Tesla’s inventions and developments include the ac motor, the bifilar coil, various devices that use rotating magnetic fields, the alternating current polyphase power distribution system, the fundamental devices of systems of wireless communication (legal priority for the invention of radio), radio frequency oscillators, devices for voltage magnification by standing waves, robotics, logic gates for secure radio frequency communications, devices for x-rays, apparatus for ozone generation, devices for ionized gases, devices for high field emission, devices for charged particle beams, methods for providing extremely low level of resistance to the passage of electrical current, means for increasing the intensity of electrical oscillations, voltage multiplication circuitry, devices for high voltage discharges, devices for lightning protection, the bladeless turbine, and VTOL aircraft. [Length: 14:16]
Watch video free online: video.google.com/videoplay?docid=448493458864593229
Nikola Tesla Museum: www.tesla-museum.org/
Wikipedia: en.wikipedia.org/wiki/Nikola_Tesla