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As physicists extend the 19th-century laws of thermodynamics to the quantum realm, they’re rewriting the relationships among energy, entropy and information.
A quantum computing pioneer explains why the near future of quantum computation may lie in simulators, not general-purpose quantum machines.
A scientist at Bell Labs has started construction of a topological qubit, which could be the building block of a robust, scalable quantum computer.
A new theory explains the seemingly irreversible arrow of time while yielding insights into entropy, quantum computers, black holes, and the past-future divide.