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Brian Cox: The quantum roots of reality | Full Interview

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May 16, 2025

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“We don't have enough knowledge to precisely calculate what is going to happen, and so we assign probabilities to it, which reflects our ignorance of the situation.”

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Up next, Brian Cox on how black holes could unlock the mysteries of our universe ►

What do snowflakes, glowing street lamps, and Einstein’s “crazy” idea have in common? Physicist Brian Cox unwinds the surprising origins of quantum mechanics—the theory that shattered classical physics and redefined our understanding of reality.

From Kepler’s insight in a 17th-century snowstorm to Planck’s revolutionary leap in 1900, Cox traces how curiosity and confusion gave rise to the most baffling theory in science.

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About Brian Cox:

Brian Cox obtained a first class honors degree in physics from the University of Manchester in 1995 and in 1998 a Ph.D. in High Energy Particle Physics at the DESY laboratory in Hamburg. He is now Professor of Particle Physics at the University of Manchester, The Royal Society Professor for Public Engagement in Science and a Fellow of the Royal Society.

Brian is widely recognized as the foremost communicator for all things scientific, having presented a number of highly acclaimed science programs for the BBC watched by billions internationally including ‘Adventures in Space and Time’ (2021), ‘Universe’ (2021), ‘The Planets’ (2018), ‘Forces of Nature’ (2016), ‘Human Universe’ (2014), ‘Wonders of Life’ (2012), ‘Wonders of the Universe’ (2011) and ‘Wonders of the Solar System’ (2010).

As an author, Brian has also sold over a million books worldwide including ‘Black Holes’, ‘Universal: A Guide to the Cosmos’, ‘Quantum Universe’ and ‘Why Does E=mc2?’ with co-author Professor Jeffrey Forshaw. He has set several world records for his sell-out live tours, including his most recent tour Horizons which has taken in venues across the globe.

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Brian Cox: The quantum roots of reality | Full Interview · Big Think · Sentinel