VideoSean Carroll: The many worlds of quantum mechanics Quantum mechanics is mind-blowing at the best of times. Sean Carroll explores perhaps its most jaw-dropping idea: that the world is constantly splitting in two Video
VideoJim Al-Khalili: A brief history of gravity Gravity shapes the cosmos, but we don’t understand it. Physicist and broadcaster Jim Al-Khalili takes a tour of black holes and gravitational waves and asks: what we are missing? Video