From World Science Festival.

Cosmologist Hiranya Peiris joins Brian Greene to discuss pressing cosmological mysteries spanning dark matter, dark energy, the expansion rate of space, and the possibility of a multiverse.

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

Participant: Hiranya Peiris
Moderator: Brian Greene

00:00 – Introduction
01:06 – Welcome Hiranya Peiris
07:45 – "Just Six Numbers" of the universe
11:22 – Inflationary theory is just a toy model
17:01 – What is the confidence that Dark matter is real?
28:52 – AXIONS and the strong CP problem
39:15 – Lessons from WMAP
45:22 – The Vera Rubin Telescope: A New Era in Astronomy
49:34 – How AI Will Analyze Astronomical Data
52: 45 – A Gravitational Wave Compact Object Merger of Neutron Stars
01:05:38 – What We Know About Dark Energy Today
01:14:11 – The Multiverse: Science or Speculation?
01:22:11 – The Power of Quantum Simulations
01:32:50 – Credits

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