June 30, 2014

MP3 FILE / 42 MINUTES / 41 MB
Time travel is simulated in the lab; Alan Guth on the doubts clouding the BICEP2 result; how the Higgs should have destroyed the universe already; & could entropy explain why nature obeys quantum rules?
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Individual Stories

Time Travel Simulated in the Lab

MP3 FILE / 15 MINUTES / 15 MB
Quantum physicists Andrew White & Martin Ringbauer explain how they used photons to simulate an encounter between a time traveller and its younger self. The results violate Heisenberg's Uncertainty Principle and other quantum laws.
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BICEP2 Under Scrutiny

MP3 FILE / 17 MINUTES / 17 MB
Extended interview with founder of inflation theory Alan Guth, who reviews the doubts cast on the BICEP2 announcement of the discovery of primordial gravitational waves. He also discusses the implications if the results stand up for grand unified theories, the multiverse, and the Planck data.
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Higgs the Destroyer

MP3 FILE / 9 MINUTES / 9 MB
Physicist Malcom Fairbairn calculates that the Higgs boson combined with primordial gravitational waves should have caused the universe to collapse -- unless there is other new physics.
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Why is Nature Quantum?

MP3 FILE / 10 MINUTES / 10 MB
Investigating the connection between entropy in thermodynamics and information theory could explain why reality is described by quantum theory, as physicists Jon Barrett and Matt Leifer explain to reporter Colin Stuart.
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