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John Pavlus

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    Same or Different? The Question Flummoxes Neural Networks

    For all their triumphs, AI systems can’t seem to generalize the concepts of “same” and “different.” Without that, researchers worry, the quest to create truly intelligent machines may be hopeless.

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    How the Slowest Computer Programs Illuminate Math’s Fundamental Limits

    The goal of the “busy beaver” game is to find the longest-running computer program. Its pursuit has surprising connections to some of the most profound questions and concepts in mathematics.

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    Why Is Glass Rigid? Signs of Its Secret Structure Emerge.

    At the molecular level, glass looks like a liquid. But an artificial neural network has picked up on hidden structure in its molecules that may explain why glass is rigid like a solid.

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    A Digital Locksmith Has Decoded Biology’s Molecular Keys

    Neural networks have been taught to quickly read the surfaces of proteins—molecules critical to many biological processes. The advance is already being used to create defenses for the virus responsible for COVID-19.