Challenging Conventional Cosmology

Neil Turok joins Brian Greene to describe his new ideas for curing the big bang singularity and providing a natural dark matter candidate, all while avoiding the conventional paradigm of inflationary cosmology.

This program is part of the Big Ideas series, supported by the John Templeton Foundation.

Participant: Neil Turok
Moderator: Brian Greene

00:00 - Introduction
2:00 - Neil Turok’s background
8:00 - How does herd mentality and tenure affect the promotion of new ideas in physics?
10:40 - Turok’s Thoughts on Inflation
13:30 - Where inflation falls short
17:30 - Stephen Hawking’s no-boundary proposal
22:30 - Hawking’s thoughts on Gravitational waves
24:00 - Turok’s beliefs on testing and adjusting scientific models
30:00 - Should we explore ideas outside of the standard model?
36:08 - How critical should we be of inflation?
39:00 - Are there Alternatives to inflation?
45:00 - How to resolve the big bang singularity
49:18 - The Mirror hypothesis
1:05:30 - How to reconcile entropy in the Mirror hypothesis
1:12:30 - Is there an explanation for why a black hole was not created during the Big Bang?
1:22:20 - Estimated value of the dark energy cosmological constant
1:30:15 - Can gravitational waves and an elegant version of inflation coexist?
1:49:00 - Brian’s summary of the The Mirror Hypothesis
1:58:00 - Final Thoughts
1:59:15 - Credits

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