Does the concept of observation have deep relevance in fundamental physics? What about in quantum physics where some kind of observation seems to be needed to transform “wave function” probabilities into actual events? What’s an “observation” anyway? What does it take to be an “observer”? Must it have some kind of sentience?

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Bernard J. Carr is a Professor of Mathematics and Astronomy at Queen Mary, University of London. His research interests include the early universe, dark matter, general relativity, primordial black holes, and the anthropic principle.

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Closer to Truth, hosted by Robert Lawrence Kuhn and directed by Peter Getzels, presents the world’s greatest thinkers exploring humanity’s deepest questions. Discover fundamental issues of existence. Engage new and diverse ways of thinking. Appreciate intense debates. Share your own opinions. Seek your own answers.