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PBS Space Time
Electroweak Theory and the Origin of the Fundamental Forces
Season 6
Episode 34
Our universe seems..complicated. We have a weird zoo of elementary particles, which interact through very different fundamental forces. But some extremely subtle clues in nature have led us to believe that the forces of nature were once unified, ruled by a single, grand symmetry. But how does one force separate into multiple? And how do the forces of nature arise from mathematical symmetries?
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