Martin Rees on speculative physics

In January 2017 Martin Rees, one of the world's leading cosmologists and the 2011 Templeton Prize recipient, gave a lecture at a meeting of the American Physical Society in Washington, D.C. His lecture, titled “From Mars to the Multiverse," offered a synoptic account of the modern cosmological story—how the universe as we know it came to be over the course of billions of years—touching on the big bang, red shift, background radiation, and dark matter and energy along the way. He also ventured into more conjectural domains to consider the multiverse and string theory and whether the universe might end in a “big crunch" or a “big rip."

After his talk, Lord Rees sat down with BQO's Adam Keiper to talk about “speculative physics," the limits of the observable universe, and more:

[youtube https://www.youtube.com/embed/6unlzrRY8-w?feature=oembed]

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