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Led Zeppelin – The 1980s, Part One
Led Zeppelin – The 1980s, Part One was a planned autumn 1980 concert tour of North America by the rock band Led Zeppelin. It was scheduled to take place from 17 October through 15 November of that year and cover much of the East Coast and Midwest. The band cancelled the tour when drummer John Bonham died on 25 September, one day after the group's initial rehearsal for the tour. Background In the wake of Led Zeppelin's turmoil-plagued 1977 American tour, which ended abruptly with the sudden death of his son Karac, singer Robert Plant had become averse to touring America with the band. His reluctance to do so persisted despite the success of the '' In Through the Out Door'' album and the band's return to the stage at the 1979 Knebworth Festival after a two-year absence. Following the conclusion of Led Zeppelin's successful Tour Over Europe 1980, however, Plant had a change of heart and informed Led Zeppelin's manager Peter Grant that he was willing to undertake an American to ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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A light-emitting diode (LED) is a semiconductor device that Light#Light sources, emits light when Electric current, current flows through it. Electrons in the semiconductor recombine with electron holes, releasing energy in the form of photons. The color of the light (corresponding to the energy of the photons) is determined by the energy required for electrons to cross the band gap of the semiconductor. White light is obtained by using multiple semiconductors or a layer of light-emitting phosphor on the semiconductor device. Appearing as practical electronic components in 1962, the earliest LEDs emitted low-intensity infrared (IR) light. Infrared LEDs are used in Remote control, remote-control circuits, such as those used with a wide variety of consumer electronics. The first visible-light LEDs were of low intensity and limited to red. Early LEDs were often used as indicator lamps, replacing small Incandescent light bulb, incandescent bulbs, and in seven-segment displays. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
