pulse switching apparatus
41Adams motor — Perpetual motion machine name=Adams motor topics=physics and electrical engineering claims= Over unity device capable of producing more energy than is supplied to it and being a technology that would or could provide energy at greater than 100%… …
42Electrical telegraph — A printing electrical telegraph receiver, and a transmitter key at bottom right An electrical telegraph is a telegraph that uses electrical signals, usually conveyed via telecommunication lines or radio. The electromagnetic telegraph is a device… …
43Orthogonal frequency-division multiplexing — Passband modulation v · d · e Analog modulation AM · …
44Microwave oven — A modern microwave oven …
45Signals intelligence in modern history — This article is a subset article of the article Signals intelligence, which addresses the unifying conceptual and technical factors and common technologies in this intelligence discipline. This article deals with signals intelligence in the… …
46Missing Link (Space: 1999) — Missing Link Space: 1999 episode Episode no. Season 1 Episode 7 Directed by Ray Austin Written by …
47MythBusters (2006 season) — Country of origin Australia United States No. of episodes 28 (includes 2 specials) Broadcast Original channel Discovery Channel …
