Light and Dark

BBC FOUR

Friday 11 January 2019  03:00 - 04:00 (60 mins)
1/2. Professor Jim Al-Khalili shows how mathematicians and scientists such as Euclid, Galileo and Ole Roemer have used light to reveal almost everything we know about the universe. [S]

Light and Dark may be available on playback
Light and Dark (BBC FOUR) Friday 11 January 2019 03:00 - 04:00