You mean besides the Tesla Coil?Nikola Tesla invented the Alternating current, hydroelectric power , fluorescent light, laser beam, wireless communications, wireless transmission of electrical energy, remote control, robotics, Tesla's turbines and vertical takeoff aircraft, X-ray tubes of his own design, vacuum tube which emitted light to be used in Photography, a bladeless steam turbine based on a spiral flow principle, a pump design to operate at extremely high temperature, basic system of radio, an instrument to receive radio waves the radio, Alternating Current Motors and Transformers.Tesla is often described as the most important scientist and inventor of the modern age. He is best known for many revolutionary contributions and inventions in the field of electricity and magnetism in t