The Problem With Quantum Mechanics

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Quantum mechanics says that nothing exists on its own. Reality isn't really made up of things, but the relationships between things. We have to describe nature by bringing the various pieces together and always something in the relationship to something else. Is this more or less crazy than the idea that the universe is made of many worlds? There's no agreement among physicists.

In the final episode of this Tech Tonic series, we hear how radical quantum ideas are reshaping our fundamental understanding of the universe. Nobel Prize winner Anton Zeilinger tells the FT’s Madhumita Murgia about the future of teleportation and the quantum internet; quantum computing pioneer David Deutsch makes the case for the theory that we live in a multiverse; and FT innovation editor John Thornhill speaks to physicist Carlo Rovelli about relational quantum mechanics.

Presented by Madhumita Murgia and John Thornhill, produced by Josh Gabert-Doyon and Edwin Lane. Executive producer is Manuela Saragosa. Sound design by Breen Turner and Samantha Giovinco. Original music by Metaphor Music. The FT’s head of audio is Cheryl Brumley.

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Read a transcript of this episode on FT.com

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