The second in Professor Jim Al-Khalili's three-part documentary about the basic building block of our universe, the atom. He shows how, in our quest to understand the tiny atom, we unravelled the mystery of how the universe was created. It's a story with dramatic twists and turns, taking in world-changing discoveries like radioactivity, the atom bomb and the big bang. All this forms part of an epic narrative in which the greatest brains of the 20th century competed to answer the biggest questions of all - why are we here and how were we made? For more awe inspiring documentaries, subscribe to our channel: https://www.youtube.com/channel/UCZSE95RmyMUgJWmfra9Yx1A Welcome to ReelTruth.Science the home of inspiring documentaries from the scientific and medical world. Here you can find full length documentaries to discover and explore. #atom #atomdocumentary #reeltruthscience