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This edition: Key to the Cosmos

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Episode Details

This is the second of Professor Jim Al-Khalili's three part investigation into the basic building block of our universe - the atom. He shows that in our quest to understand the tiny atom, we unravelled the mystery of how the entire 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?

Chapters: The Atom and the Creation of the Universe, Manipulating the Atom, The Structure of the Atom’s Nucleus, The Mysterious Proton and the Strong Nuclear Force, The Atomic Bomb, The Ever Changing Atom, The Big Bang