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In this talk, Phillip Ball explains why quantum mechanics is not weird.

Quantum computers rely on concepts such as superposition and entanglement that defy our intuitions about how things can behave. It’s often said that the world is quantum-mechanical and weird at small scales, and classical and familiar at human scales.

I will challenge that idea, arguing that the classical world isn’t distinct from the quantum but emerges from it. While we don’t yet have a full understanding of how that happens, the outlines are becoming clear – and in one view, the concept of quantum information lies at the heart of that account. In this talk – which is not-technical and requires no specialist scientific knowledge – I will show address some popular misconceptions about what quantum mechanics means, and explain what we can currently say about what it does mean.

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