70 years since the death of one of the greatest scientific minds

Tesla holding one of his wireless powered lamps
(on the cover of the Electrical Experimenter in 1919) 

On this day, in 1943, at his room in Hotel New Yorker in Manhattan, alone, and in poverty, died "The Man out of Time", "The Genius Who Lit the World", "The Man Who Invented the Twentieth Century", according to some "The Greatest Hacker of All Time", and ofcourse "The Master of lightning" - the Serbian-American and Yugoslav inventor, electrical engineer and physicist Nikola Tesla (born in Smiljan, present day Croatia)

He discovered the rotating magnetic field, invented the Polyphase Alternating Current System AC (its transmission, as well as induction motors, superior to Edison's DC power  - See: War of Currents), that we know and use today.

He was the real father or the Radio, the wireless transmission of electrical energy, and remote control. Among his inventions are also the fluorescent light, laser beam, pioneer robotics, bladeless turbines, vertical take off aircrafts, and many other thrilling ideas, far beyond his time, and maybe ours too.

His Tesla Coils were the early predecessors of today's transformers that power the cathode ray tubes still used in today's televisions and computer monitors, as well as televisions and radio receivers. The Coil was also essential in driving apparatus such as x-ray machines, electron microscopes, particle accelerators, and various medical applications by the end of 1950s.

Among Tesla's mayor achievements was the electrification of The World's Columbian Exposition in Chicago, in 1893, commissioned by Westingouse, realized using Tesla's Polyphase system. which, as said, was the most spectacular lighting display, at night, that the world had ever seen before.

Another even greater memorable Tesla's achievement was the installing of the first mayor hydro-electric power plant in the world, built in 1895 at Niagara Falls with the help of George Westinghouse, with which began the electrification of the world, and the industrial era as we know it.

Tesla's long lost dream however, was to give the world free wireless energy and communication, and his Wardenclyffe Tower in Shoreham (Long Island, New York) showed success but was never finished (it was demolished in 1917 because of withdrawing the investment of J.P. Morgan, after which it was sold, however the Tesla's laboratory building still remained at place, and it is currently battled for preservation by Tesla Science Center )

Being well known as a futurist and a visionary, it is widely believed that Tesla's achievements in electromagnetic fields had gone much further than officially known,  secretly studied, applied/misused (i.e. death rays, anti-gravity, mind control, weather change etc) however, after his death, thanks to Tesla's nephew, Yugoslav diplomat Sava Kosanović, great part of Tesla's documents and belongings, previously seized by Federal Bureau of Investigation and National Defense Research Committee for inspection, were shipped to newly established Nikola Tesla Museum in Belgrade Serbia in 1951, where they were fully documented, preserved, periodically and regularly showcased, and published . 

The UNESCO included Tesla's archive into the "Memory of the World" Register, as a segment of movable documentary heritage, while Nikola Tesla's name has been honored with an International Unit of Magnetic Flux Density called "Tesla", which is the highest type of scientific honor, received only by three American scientists.

Tesla and his work never ceases to inspire scientists and intellectuals worldwide, his ideas and thoughts on free energy, world piece and humanity live on. At this point, we should remember, and conclude this quite short introduction about this great scientist, with one of his witty thoughts, addressed to humanity on growing hate and conflicts at the eve of World War II:

"If your hate could be turned into electricity, it would light up the whole world"

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