Johns Not Mad (1989) "The documentary follows John who has Tourettes syndrome at a time when it was not as well understood by the public. John's Not Mad is a QED documentary made by the BBC in 1989. It was ranked, in a British public poll, as one of the 50 Greatest Documentaries." [00:28:25]

QED Reference Audio 40 Cable Pair

QED Reference Audio 40 Cable - Custom Length Pair

QED Reference Audio 40

Quantum Physics | Definition, Explanation & Examples