Part 1 - Spark 0:00 Part 2 - The Age of Invention 58:30 Part 3 - Revelations and Revolutions 1:56:50 --------- In this three-part BBC Horizon documentary physicist and science communicator Jim Al-Khalili takes the viewer on a journey exploring the most important historical developments in electricity and magnetism. This documentary discusses how the physics (and the people behind the physics) changed the world forever. --------- BBC Horizon 2011