S01E01 Light
The story of how we used light to reveal the cosmos begins in the 3rd century BC when, by trying to understand the tricks of perspective, the Greek mathematician Euclid discovered that light travels in...
Light and Dark
S01E02: Dark
The first hints that there might be more out there than meets the eye emerged from the gloom in 1846 with the discovery of the planet Neptune. In the middle of the 20th century scientists discovered dark matter and in the late 1990s dark energy. Jim explores the quest to uncover the nature of dark energy and to see dark matter pull the first stars and galaxies together, a quest that involves peering into the darkest period in the cosmos's past.
Overview
Professor Jim Al-Khalili shows how, by uncovering its secrets, scientists have used light to reveal the universe.
Episodes
S01E02 Dark
The first hints that there might be more out there than meets the eye emerged from the gloom in 1846 with the discovery of the planet Neptune. In the middle of the 20th century scientists...
Cast
Jim Al-Khalili
Self - Presenter
