Explainer
How Quantum Error Correction Works
You cannot copy a qubit to protect it, and you cannot look at it to check on it, since both acts destroy the information you are trying to save. Quantum…
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logical qubits
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Explainer
What Is a Qubit?
A qubit is not a bit that is somehow both 0 and 1 at once. That line points at the wrong mechanism. A qubit's state is a pair of complex…
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