(Mitchell Stephens, Grolier Encyclopedia) The dictionary entry for television is as follows: "an electronic system of transmitting transient images of fixed or moving objects together with sound over a wire or through space by apparatus that converts light and sound into electrical waves and reconverts them into visible light rays and audible sound 2: a television receiving set 3 a: the television broadcasting industry b: television as a medium of communication." ... A few years later, in 1926, Baird operated a system that was at 30 lines of resolution and 5 frames per second. ... Zworykin ...
Kool Herc separated rap music from other popular music and set the stage for further innovation. he is know for his massive stereo system speakers and his practice of extending obscure instrumental breaks that created an endless collage of peak dance named b-beats or breaks-beats (Rose). ...