After including covers of blues classics on their first two albums, Led Zeppelin made the effort to stretch out and deliver more original material on Led Zeppelin III (1970). To Robert Plant, that ...

As Led Zeppelin promote the extravagant reissues of their first three albums for an early June release, a lawyer representing deceased Spirit guitarist Randy California is claiming the hard-rock ...

Was the opening to the 1971 classic Stairway to Heaven ripped off from another song? Lawyers for the band Spirit say the Led Zeppelin song's intro sounds a lot like Spirit's 1968 instrumental track ...

LEDs are current driven devices. It is relatively simple to drive several LEDs individually. However, as the number of LEDs increases, the amount of resources needed to operate these LEDs grows to an ...

Retrofitting existing light systems with LEDs imposes harsh constraints on LED lights. Retrofits force LEDs into wiring networks and package configurations that were designed for a different lighting ...