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The Biggest Ideas in the Universe | Q&A 10 - Interactions
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The secrets of Einstein's unknown equation – with Sean Carroll
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The Biggest Ideas in the Universe | 11. Renormalization
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The Paradoxes of Time Travel
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Does Quantum Mechanics Imply Multiple Universes?
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We need to 'gravitise' quantum mechanics, not quantise gravity | Roger Penrose | Full interview
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The Biggest Ideas in the Universe | 12. Scale
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