Analysis of information sources in references of the Wikipedia article "Video feedback" in English language version.
Long before the days of hi-tech special effects, Norman Taylor accidentally created the swirling "howl-around" visual seen in the original, 1963 title sequence of Doctor Who – by pointing a camera at a monitor showing its own picture.
Long before the days of hi-tech special effects, Norman Taylor accidentally created the swirling "howl-around" visual seen in the original, 1963 title sequence of Doctor Who – by pointing a camera at a monitor showing its own picture.