I've commented in the past that the only 'purpose' or 'directionality' in the universe is entropy. I've also questioned the role of information theory in knowledge and learning, describing knowledge and learning as physical, not cognitive, processes, governed not by content but by the laws of physics. But what if these two views can't both be true? That's the dilemma I face after reading this article that (to vastly oversimplify it) describes entropy in terms of information. "Quantum resource theories adopt the picture of the physical world suggested by quantum information theory, in which there are fundamental limitations on which physical processes are possible." Stuff like this keeps me up at night.
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