Mechanical television or mechanical scan television is a television system that relies on a mechanical scanning device, such as a rotating disk with holes in it or a rotating mirror drum, to scan the scene and generate the video signal, and a similar mechanical device at the receiver to display the picture. This contrasts with vacuum tube electronic television technology, using …

Television, sometimes shortened to TV, is a telecommunication medium for transmitting moving images and sound. The term can refer to a television set, or the medium of television transmission.Television is a mass medium for advertising, entertainment, news, and sports.. Television became available in crude experimental forms in the late 1920s, but only after …

A mechanical floor, mechanical penthouse, mechanical layer or mechanical level is a story of a high-rise building that is dedicated to mechanical and electronics equipment. "Mechanical" is the most commonly used term, but words such as utility, technical, service, and plant are also used. They are present in all tall buildings including the world's tallest skyscrapers with …

William Sanford Nye (born November 27, 1955), popularly known as Bill Nye the Science Guy, is an American mechanical engineer, science communicator, and television presenter.He is best known as the host of the science television show Bill Nye the Science Guy (1993–1999) and the Netflix show Bill Nye Saves the World (2017–2018), and for his many appearances in popular …

By the late 1930s, several radio manufacturers offered remote controls for some of their higher-end models. Most of these were connected to the set being controlled by wires, but the Philco Mystery Control (1939) was a battery-operated low-frequency radio transmitter, thus making it the first wireless remote control for a consumer electronics device. . Using pulse-count …

In 1924, Kenjiro Takayanagi began a research program on electronic television.In 1925, he demonstrated a cathode ray tube (CRT) television with thermal electron emission. Television tests were conducted in 1926 using a combined mechanical Nipkow disk and electronic Braun tube system. In 1926, he demonstrated a CRT television with 40-line resolution, the first …

Darth Vader is a fictional character in the Star Wars franchise. The character is the central antagonist of the original trilogy and, as Anakin Skywalker, is one of the main protagonists throughout the prequel trilogy. Star Wars creator George Lucas has collectively referred to the first six episodic films of the franchise as "the tragedy of Darth Vader". He has become one of the …

Low-definition television (LDTV) refers to TV systems that have a lower screen resolution than standard-definition TV systems. The term is usually used in reference to digital TV, in particular when broadcasting at the same (or similar) resolution as low-definition analog TV systems. Mobile DTV systems usually transmit in low definition, as do all slow-scan TV systems.

A skeuomorph (also spelled skiamorph, / ˈ s k juː ə ˌ m ɔːr f, ˈ s k juː oʊ-/) is a derivative object that retains ornamental design cues (attributes) from structures that were necessary in the original. Skeuomorphs are typically used to make something new feel familiar in an effort to speed understanding and acclimation. They employ elements that, while essential to the original ...

Slow-scan television (SSTV) is a picture transmission method, used mainly by amateur radio operators, to transmit and receive static pictures via radio in monochrome or color.. A literal term for SSTV is narrowband television.Analog broadcast television requires at least 6 MHz wide channels, because it transmits 25 or 30 picture frames per second (see ITU analog broadcast …

1080p (1920×1080 progressively displayed pixels; also known as Full HD or FHD, and BT.709) is a set of HDTV high-definition video modes characterized by 1,920 pixels displayed across the screen horizontally and 1,080 pixels down the screen vertically; the p stands for progressive scan, i.e. non-interlaced. The term usually assumes a widescreen aspect ratio of 16:9, implying a …

The series started in 1940, with the story "Robbie" in the September 1940 Super Science Stories (appearing under the title "Strange Playfellow", which was not Asimov's title).Although it was originally written as a stand-alone story, the following year Asimov published a series of additional robot stories, which fit together into a narrative that was then put together as the book I, Robot.

Un libro electrónico, [1] libro digital o ciberlibro, conocido en inglés como e-book o eBook, es la publicación electrónica o digital de un libro.Es importante diferenciar el libro electrónico o digital de uno de los dispositivos más popularizados para su lectura: el lector de libros electrónicos, o e-reader, en su versión inglesa.. Aunque a veces se define como "una versión ...

Yatterman (Japanese: ヤッターマン, Hepburn: Yattāman) is a Japanese anime television series broadcast from January 1, 1977 to January 27, 1979, comprising 108 episodes. It is the second and longest show in the Time Bokan series by Tatsunoko Productions.The series succeeded Time Bokan and preceded Zenderman.It was also the final series to be produced by company …