Light and Dark is next on TV on Tuesday 20 October at 11:20 pm on BBC Four. The episode is Light, Season 1, Episode 1.

Light

Season 1 · Episode 1

11:20 pm 12:20 am Tuesday 20 October

On BBC Four (9)

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Showing times for London — Freeview. Change provider.

Light and Dark is scheduled to air at these times (may include spoilers):

Tue 20
11:20 pm ends 12:20 am

9

Light — Light and Dark

Season 1 · Episode 1

The first of a two-part documentary in which Professor Jim Al-Khalili examines how some of history's greatest minds began to uncover the secrets of the universe by using and manipulating light. In the first edition, the presenter considers the significance of Greek mathematician Euclid's landmark discovery that light moves in straight lines. He then moves on to Renaissance Italy, where Galileo Galilei unlocked the potential of telescopes in locating Earth's true place within the cosmos, before assessing the implications of Danish astronomer Ole Roemer's groundbreaking finding - that light moves at a finite speed
More Details for Light and Dark, Tue 20, 11:20 pm
Thu 22
1:30 am ends 2:30 am

9

Light — Light and Dark

Season 1 · Episode 1

The first of a two-part documentary in which Professor Jim Al-Khalili examines how some of history's greatest minds began to uncover the secrets of the universe by using and manipulating light. In the first edition, the presenter considers the significance of Greek mathematician Euclid's landmark discovery that light moves in straight lines. He then moves on to Renaissance Italy, where Galileo Galilei unlocked the potential of telescopes in locating Earth's true place within the cosmos, before assessing the implications of Danish astronomer Ole Roemer's groundbreaking finding - that light moves at a finite speed
More Details for Light and Dark, Thu 22, 1:30 am