Two of the key founders of quantum physics, Einstein and Schrödinger, were deeply sceptical of its implications about uncertainty and the nature of reality. Today, the orthodox reading is that uncertainty is indeed an inherent feature of quantum systems, not a reflection of our own lack of knowledge. But Oxford physicist Tim Palmer now argues that chaos theory shows that quantum uncertainty is in fact down to our own ignorance, not reality itself. This could have far-reaching consequences for our ability to marry quantum mechanics with general relativity.
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