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A Tesla coil is an electrical resonant transformer circuit designed by inventor Nikola Tesla in 1891. [1] It is used to produce high-voltage, low-current, high-frequency alternating-current electricity. [2] [3] Tesla experimented with a number of different configurations consisting of two, or sometimes three, coupled resonant electric circuits.
Tesla coils were also used as dramatic props in early mystery and science fiction motion pictures, starting in the silent era. [32] The crackling, writhing sparks emanating from the electrode of a giant Tesla coil became Hollywood's iconic symbol of the "mad scientist's" lab, recognized throughout the world. [138]
The arcs in the image are 22 feet long. When he first turned it on, the machine blew out the Colorado Springs power company's generator. These long arcs were not a feature of the normal operation of the coil because they wasted energy; for these photos Tesla forced the machine to produce arcs by switching the power rapidly on and off.
The photo was part of a publicity spread taken by photographer Dickinson Alley in December 1899 to accompany Tesla's magazine article Nikola Tesla, "The Problem of Increasing Human Energy", Century Magazine, The Century Co., New York, June 1900, fig. 8; a version without Tesla appears in the article. Wellcome Images
A photo of Nicola Tesla's work, a pioneer in AC electric power generation and distribution, and co-inventor of the Induction motor. Also known for Tesla coil, Tesla (unit) and Tesla (car). This is probably the most iconic photo of his work. At the time, the photo was used to promote his work.
Electrum or Electrum (for Len Lye) (Len Lye being a New Zealand artist), is a 1998 sculpture by Eric Orr and Greg Leyh built around the world's largest Tesla coil. [1] The coil stands 11.5 meters (37 feet) in height, operates at power levels up to 130,000 watts, and produces 3 million volts on its spherical top terminal. [2]
This is a retouched picture, which means that it has been digitally altered from its original version. Modifications: image restoration (removed the more obvious small defects), removed Tesla's hand written inscription. The original can be viewed here: Nikola Tesla, with his equipment Wellcome M0014782.jpg: . Modifications made by Bammesk.
With the success of Tesla's A.C. system, it soon became the preferred method of generating electricity worldwide. Tesla worked on a number of other inventions, including a transformer that would change a low voltage to a high voltage by means of safe A.C. electric current. This transformer came to be known as the Tesla coil.