Caserismo

Páginas: 13 (3012 palabras) Publicado: 4 de octubre de 2011
Nikola Tesla symbolizes a unifying force and inspiration for all nations in the name of peace and science. He was a true visionary far ahead of his contemporaries in the field of scientific development. New York State and many other states in the USA proclaimed July 10, Tesla’s birthday- Nikola Tesla Day.

Many United States Congressmen gave speeches in the House of Representatives on July10, 1990 celebrating the 134th anniversary of scientist-inventor Nikola Tesla. Senator Levine from Michigan spoke in the US Senate on the same occasion.

The street sign “Nikola Tesla Corner” was recently placed on the corner of the 40th Street and 6th Avenue in Manhattan. There is a large photo of Tesla in the Statue of Liberty Museum. The Liberty Science Center in Jersey City, NewJersey has a daily science demonstration of the Tesla Coil creating a million volts of electricity before the spectators eyes. Many books were written about Tesla : Prodigal Genius: The Life of Nikola Tesla by John J. O’Neill and Margaret Cheney’s book Tesla: Man out of Time has contributed significantly to his fame. A documentary film Nikola Tesla, The Genius Who Lit the World, produced by theTesla Memorial Society and the Nikola Tesla Museum in Belgrade, The Secret of Nikola Tesla (Orson Welles), BBC Film Masters of the Ionosphere are other tributes to the great genius.

Nikola Tesla was born on July 10, 1856 in Smiljan, Lika, which was then part of the Austo-Hungarian Empire, region of Croatia. His father, Milutin Tesla was a Serbian Orthodox Priest and his mother DjukaMandic was an inventor in her own right of household appliances. Tesla studied at the Realschule, Karlstadt in 1873, the Polytechnic Institute in Graz, Austria and the University of Prague. At first, he intended to specialize in physics and mathematics, but soon he became fascinated with electricity. He began his career as an electrical engineer with a telephone company in Budapest in 1881. Itwas there, as Tesla was walking with a friend through the city park that the elusive solution to the rotating magnetic field flashed through his mind. With a stick, he drew a diagram in the sand explaining to his friend the principle of the induction motor. Before going to America, Tesla joined Continental Edison Company in Paris where he designed dynamos. While in Strassbourg in 1883, he privatelybuilt a prototype of the induction motor and ran it successfully. Unable to interest anyone in Europe in promoting this radical device, Tesla accepted an offer to work for Thomas Edison in New York. His childhood dream was to come to America to harness the power of Niagara Falls.

Young Nikola Tesla came to the United States in 1884 with an introduction letter from Charles Batchelorto Thomas Edison: “I know two great men,” wrote Batchelor, “one is you and the other is this young man.” Tesla spent the next 59 years of his productive life living in New York. Tesla set about improving Edison’s line of dynamos while working in Edison’s lab in New Jersey. It was here that his divergence of opinion with Edison over direct current versus alternating current began. Thisdisagreement climaxed in the war of the currents as Edison fought a losing battle to protect his investment in direct current equipment and facilities.

Tesla pointed out the inefficiency of Edison’s direct current electrical powerhouses that have been build up and down the Atlantic seaboard. The secret, he felt, lay in the use of alternating current ,because to him all energies were cyclic.Why not build generators that would send electrical energy along distribution lines first one way, than another, in multiple waves using the polyphase principle?

Edison’s lamps were weak and inefficient when supplied by direct current. This system had a severe disadvantage in that it could not be transported more than two miles due to its inability to step up to high voltage...
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