Web"Mütterlein" Mütterlein, an old-fashioned term of endearment for a mother in German, was the title used by Gerhard Winkler for a song marking his mother's 75th birthday in 1952. The first artist to record it was Leila Negra, and there were also versions in Danish, Swedish, Finnish and Norwegian.Fred Rauch later wrote new German lyrics, and titled it "Glaube …

WebThe siemens (symbol: S) is the unit of electric conductance, electric susceptance, and electric admittance in the International System of Units (SI). Conductance, susceptance, and admittance are the reciprocals of resistance, reactance, and impedance respectively; hence one siemens is redundantly equal to the reciprocal of one ohm (Ω −1) and is also …

WebLacquer is a type of hard and usually shiny coating or finish applied to materials such as wood or metal. It is most often made from resin extracted from trees and waxes and has been in use since antiquity. Asian lacquerware, which may be called "true lacquer", are objects coated with the treated, dyed and dried sap of Toxicodendron vernicifluum or …

WebIn 1961, an IBM 704 at Bell Labs was programmed to sing "Daisy Bell" in the earliest demonstration of computer speech synthesis.This recording has been included in the United States National Recording Registry.; In 1974, auditory researchers used the melody of "Daisy Bell" for the first demonstration of "pure dichotic" (two-ear only) perception: they …

WebDenon (株式会社デノン, Kabushiki Kaisha Denon) is a Japanese electronics company started in 1910 by Frederick Whitney Horn, an American entrepreneur. Denon produced the first cylinder audio media in Japan and players to play them. Decades later, Denon was involved in the early stages of development of digital audio technology, while specializing …

WebFor example, connecting a motor to the platter of a phonograph, or the crankshaft-to-camshaft gear train of an automobile. Because it does no work itself, it is called an "idler. Friction drive. An idler-wheel may be used as part of a friction drive mechanism. For example, to connect a metal motor shaft to a metal platter without gear noise, early …

WebThomas Alva Edison (Milan, Ohio; 11 de febrero de 1847-West Orange, Nueva Jersey; 18 de octubre de 1931) fue un inventor, científico y empresario estadounidense. [1] [2] [3] Desarrolló muchos dispositivos en campos como la generación de energía eléctrica, la comunicación masiva, la grabación de sonido y las películas. [4] Estos inventos, incluyen …

WebA covert listening device, more commonly known as a bug or a wire, is usually a combination of a miniature radio transmitter with a microphone.The use of bugs, called bugging, or wiretapping is a common technique in surveillance, espionage and police investigations.. Self-contained electronic covert listening devices came into common use …