MMC-2000 Study Guide - Red Channels, John Bard, Fox News
Document Summary
Television march 18, 2014: television works through the idea of persistence of vision, just like film it takes brain. Paul nipkow, russian physicist, produced the nipkow disc in 1884. As the disc rotated slowly, it allowed people to take large pictures and break them into smaller, component parts and play them back. He only used still pictures, however, to send and receive. John bard (1925), a british scientist working for bbc. In the early 1920s, he used a technology similar to the nipkow disk and figured out how to transmit moving pictures (film) using a technology similar to the one. People wanted to move from the rotating disk to a self-contained device that could transmit images electronically rather than mechanically. He was attempting to develop an electronic device (aka a vacuum tube) that could do the exact same thing that bard was doing with the spinning disk. Zworykin away from westinghouse and hired him for rca.
