V Mothers of Invention.
Heroic, mad inventors and mysterious market forces are just two of the myths that might explain the inventions of technology. Yet the disposable nappy had no inventor. And the inventor of the telephone had to invent a need for it before anyone took him seriously. Tonight's programme discovers where technological change comes from. Does it develop to fulfil a need? Or is "need" invented by technology? See today's choices.
Director/Producer Hugh Mason ; Editor Paul Burgess