New series 1/3. Presenter Adam Hart-Davis explores spectacular years in the long history of science, when brilliant ideas emerged from the maelstrom of mad. bad and dangerous thinking.
1799. A young Humphrey Davy wanders the streets of Bristol breathing "laughing gas" from a green silk bag, getting mildly hysterical, and encouraging his literary friends to do likewise. Meanwhile, the gas lamp revolutionises the length of the working day, Alessandro Volta invents his battery, income tax is introduced in Britain, and the Rosetta Stone is discovered in Egypt, inscribed with information - on how to pay your taxes!
Producer John Byrne