Countdown
James Burke takes a look at 2,000 years of human ingenuity. In the ninth of ten historical detective stories, he searches for the clues that link yesterday's amazing inventions to our modern-day world.
This week he asks: 'What's the connection between Little Jack Horner and Bonnie Prince Charlie , or between the repeating telegraph and The Sound of Music - and what would Tuesday nights be like without that connection? '
Film editor JIM LATHAM Photography
DAVID FEIG , TONY PIERCE-ROBERTS Produced by MICK JACKSON and DAVID KENNAIID