Top-ratedS1.E1 ∙ LightSun, Nov 17, 2013Prof. Jim Al-Khalili explains the properties of light, stories behind these discoveries and how immensely light changed our understanding of the universe.8.0/10 (25)Rate
Top-ratedS1.E2 ∙ DarkSun, Nov 24, 2013Prof. Jim Al-Khalili explains the celestial relationship between light and dark, and how darkness covers most of our universe.8.4/10 (27)Rate