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Quantum advancements address error correction and coherence challenges 




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✅   Quantum error correction used to actually correct errors

Today's quantum computing hardware is severely limited in what it can do by errors that are difficult to avoid. There can be problems with everything from setting the initial state of a qubit to reading its output, and qubits will occasionally lose their state while doing nothing. Some of the quantum processors in existence today can't use all of their individual qubits for a single calculation without errors becoming inevitable.

arstechnica.com     Apr 03, 2024