sound wire
71Dubstep — Stylistic origins Dub, grime, 2 step, drum and bass Cultural origins Late 1990s, London, Engla …
72Loudspeaker — For other uses, see Loudspeaker (disambiguation). An inexpensive, low fidelity 3½ inch speaker, typically found in small radios …
73Old-time radio — Before television, radio was the dominant home entertainment medium. Old Time Radio (OTR) and the Golden Age of Radio refer to a period of radio programming in the United States lasting from the proliferation of radio broadcasting in the early… …
74Charles Wheatstone — Wheatstone, drawn by Samuel Laurence in 1868 Born 6 …
75List of problems solved by MacGyver — This is a list of problems that have been solved by the fictional character MacGyver from the television series of the same name. (This list is not yet comprehensive.) MacGyver employs his resourcefulness and his knowledge of chemistry,… …
76Burglar alarm — Silent alarm redirects here. For the album, see Silent Alarm (album). Burglar (or intrusion), fire and safety alarms are all electronic today. Sensors are connected to a control unit via a low voltage hardwire or narrowband RF signal which is… …
77undersea exploration — Introduction the investigation and description of the ocean waters and the seafloor and of the Earth beneath. Primary objectives and accomplishments Included in the scope of undersea exploration are the physical and chemical… …
78Electronic music — For electronic musical instruments, see Electronic musical instrument. For other uses, see Electronic music (disambiguation). See also: List of electronic music genres and List of electronic music festivals Electronic music is music that… …
79Pressure measurement — The construction of a bourdon tube gauge, construction elements are made of brass Many techniques have been developed for the measurement of pressure and vacuum. Instruments used to measure pressure are called pressure gauges or vacuum gauges. A… …
80Vacuum tube — This article is about the electronic device. For experiments in an evacuated pipe, see free fall. For the transport system, see pneumatic tube. Modern vacuum tubes, mostly miniature style In electronics, a vacuum tube, electron tube (in North… …
