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Lewis Howard Latimer (September 4, 1848 – December 11, 1928) was an American inventor and patent draftsman. His inventions included an evaporative air conditioner, an improved process for manufacturing carbon filaments for electric light bulbs, and an improved toilet system for railroad cars.
Edison in 1861. Thomas Edison was born in 1847 in Milan, Ohio, but grew up in Port Huron, Michigan, after the family moved there in 1854. [8] He was the seventh and last child of Samuel Ogden Edison Jr. (1804–1896, born in Marshalltown, Nova Scotia) and Nancy Matthews Elliott (1810–1871, born in Chenango County, New York).
The bel (B) and the smaller decibel (dB) are units of measurement of sound pressure level (SPL) invented by Bell Labs and named after him. [218] [N 28] [219] Since 1976, the IEEE's Alexander Graham Bell Medal has been awarded to honor outstanding contributions in the field of telecommunications. A.G. Bell issue of 1940
Tesla was incorporated (as Tesla Motors) on July 1, 2003, by Martin Eberhard and Marc Tarpenning in San Carlos, California. [2] [3] [4] The founders were influenced to start the company after General Motors recalled all its EV1 electric cars in 2003 and then destroyed them, [5] and seeing the higher fuel efficiency of battery-electric cars as an opportunity to break the usual correlation ...
Antonio Santi Giuseppe Meucci (/ m eɪ ˈ uː tʃ i / may-OO-chee, [1] Italian: [anˈtɔːnjo meˈuttʃi]; 13 April 1808 – 18 October 1889) was an Italian inventor and an associate of Giuseppe Garibaldi, a major political figure in the history of Italy.
The du Temple monoplane. Some notable powered hops were made before the problem of powered flight was finally solved. In 1874 Félix du Temple built a steam-powered aeroplane which took off from a ramp with a sailor on board and remained airborne for a short distance.
Sir Joseph Wilson Swan FRS (31 October 1828 – 27 May 1914) was an English physicist, chemist, and inventor.He is known as an independent early developer of a successful incandescent light bulb, and is the person responsible for developing and supplying the first incandescent lights used to illuminate homes and public buildings, including the Savoy Theatre, London, in 1881.
Alexander Graham Bell was a professor of elocution at Boston University and tutor of deaf children. He had begun electrical experiments in Scotland in 1867 and, after emigrating to Boston from Canada, pursued research into a method of telegraphy that could transmit multiple messages over a single wire simultaneously, a so-called "harmonic telegraph".