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Garrett Augustus Morgan Sr. (March 4, 1877 – July 27, 1963) was an American inventor, businessman, and community leader.His most notable inventions were a type of three-way traffic light, [1] and a protective 'smoke hood' [2] notably used in a 1916 tunnel construction disaster rescue.
A 3-way lamp, also known as a tri-light, is a lamp that uses a 3-way light bulb to produce three levels of light in a low-medium-high configuration. A 3-way lamp requires a 3-way bulb and socket, and a 3-way switch. In 3-way incandescent light bulbs, each of the filaments operates at full voltage. Lamp bulbs with dual carbon filaments were ...
1972 M. George Craford invents the first yellow light-emitting diode. 1972 Herbert Paul Maruska and Jacques Pankove create the first violet light-emitting diode. 1981 Philips sells their first Compact Fluorescent Energy Saving Lamps, with integrated conventional ballast. 1981 Thorn Lighting Group exhibits the ceramic metal-halide lamp.
Three-point lighting is a standard method used in visual media such as theatre, video, film, still photography, computer-generated imagery and 3D computer graphics. [1] By using three separate positions, the photographer can illuminate the shot's subject (such as a person) however desired, while also controlling (or eliminating) the shading and ...
A set of modern LED flashlights. A flashlight or electric torch (Commonwealth English), usually shortened to torch, is a portable hand-held electric lamp.Formerly, the light source typically was a miniature incandescent light bulb, but these have been displaced by light-emitting diodes (LEDs) since the early 2000s.
The AOL.com video experience serves up the best video content from AOL and around the web, curating informative and entertaining snackable videos.
William Robinson was born in Ireland on November 22, 1840. [1]: 59 He came to the United States as a boy and lived in Brooklyn, New York for much of his adult life.[2]He received his B.A. degree in 1865 and his M.A. degree in 1868 from Wesleyan University.
Albon Man, an attorney from New York City, and William E. Sawyer, an electrical engineer, officially formed the Electro-Dynamic Light Company of New York on July 8, 1878. [1] [2] [3] This was by way of a partnership with Man supplying money to Sawyer for experiments. [4] This was the first formally established electric-lighting company in the ...