Light and Dark

BBC FOUR

Sunday 17 January 2021  23:30 - 00:30 (60 mins)
2/2. Professor Jim Al-Khalili tells the story of how we went from thinking we were close to a complete understanding of the universe to realising we had seen almost none of it. Also in HD. [S]

Light and Dark may be available on playback
Light and Dark (BBC FOUR) Sunday 17 January 2021 23:30 - 00:30