Quantum physics governs the smallest parts of the universe, while classical, Newtonian rules appear to describe everything else. The gap between these two frameworks has shaped a century of debate and remains one of the most persistent inconsistencies in science.

In this episode of Babbage , The Economist’s weekly podcast on science and technology named after Charles Babbage, the grandfather of computing, Vlatko Vedral joins host Alok Jha to explore where the boundary between the quantum and classical worlds might lie. He explains why that divide creates deep conceptual problems and sets out his proposal for a single, consistent framework that can account for the whole universe.

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