Physics says 'now' isn't real... so do your choices even matter? | Jo Marchant

Do your choices actually matter? According to the dominant model in physics - the "block universe" - the answer may be no: past, present and future are all equally fixed, and free will is an illusion. But some physicists think that model is incomplete, and that quantum mechanics might leave real room for choice after all.

Courtesy of The Royal Institution on YouTube. Watch on YouTube ↗

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