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Letter: Why quantum theory can't kill off free will

Published 25 June 2025

From Dave Holtum, Bathampton, Somerset, UK

Quantum laws may well be at odds with the idea of free will, but the behaviour of complex systems can’t always be predicted by the actions of their parts. The capacity for free will arises from complex interactions of brain cells that can’t be divined from quantum theory(7 June, p 8).

Issue no. 3549 published 28 June 2025

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