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What We Still Don't Know: "Are We Real?"

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Uploaded on Aug 17, 2011

Series from Channel 4 featuring Sir Martin Rees.

There is a fundamental chasm in our understanding of ourselves, the universe, and everything. To solve this, Sir Martin takes us on a mind-boggling journey through multiple universes to post-biological life. On the way we learn of the disturbing possibility that we could be the product of someone elses experiment.

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