Tech companies and labs around the world are building a revolutionary new computer. Quantum computers harness the mysteries of quantum physics to perform calculations that seem impossible. The people building them say they’re going to change the world.

In a new season of Tech Tonic, FT tech journalists Madhumita Murgia and John Thornhill investigate the race to build a quantum computer, the impact they could have on security, innovation and business, and the confounding physics of the quantum world.

Are we really on the brink of a quantum revolution? And what will a future powered by quantum computing look like?

Check out stories and up-to-the-minute news from the Technology team at

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. The FT’s head of audio is Cheryl Brumley.

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