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A similar feature called "YouTube Radio" for continuous music playback in resemblance to radio stations was tested in February 2015. [149] Since approximately July 9, 2013, the first page of videos' comment section is no longer included in the watch page's static HTML source code, but instead loaded subsequently through AJAX. [150]
1962 Nick Holonyak Jr. develops the first practical visible-spectrum (red) light-emitting diode. 1963 Kurt Schmidt invents the first high pressure sodium-vapor lamp. [17] 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.
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.
The pendant light at Fire Station #6 in which the bulb is installed. The Centennial Light was originally a 60-watt bulb, but has since dimmed significantly and is now as bright as a 4-watt bulb. [7] [8] [9] The hand-blown, carbon-filament common light bulb was invented by Adolphe Chaillet, a French engineer who filed a patent for this socket ...
Alessandro Cruto was an Italian inventor, born in the town of Piossasco, near Turin, who created an early incandescent light bulb.. Son of a construction foreman, he attended the school of architecture at the University of Turin, while also attending Physics and Chemistry lectures with the dream of crystallizing carbon to obtain diamonds. [1]
[T 3] Later, at the healing effort of the Valar, one of the trees bears a silver flower, and the other bears a golden fruit, just before they die. These are sent to the sky, and became the Sun and the Moon, to illuminate Middle-earth against Melkor. But neither sphere radiates the original light of the trees, free of Ungoliant's poison.
Earth may have had a ring made up of a broken asteroid over 400 million years ago, a study finds. The Saturn-like feature could explain a climate shift at the time.
One of the monks stole it and fled into the night, but when he repented and promised to return it, the ring emitted a bright light by which he traveled to Perugia. The two cities fought fiercely for the possession of this sacred ring, but in 1486 the Vatican decreed the relic should be placed in the Perugia Cathedral (Ball 1938: 500).