Foundations · Michael Nielsen

Measuring a qubit

Name: Measuring a qubit
Uploaded: 2010-11-23
Description: A circuit description needs a measurement rule. Michael Nielsen introduces measuring a qubit in a compact lesson within his structured course. It is best approached after the basic state notation, with time to distinguish probabilities in the description from the individual result observed in one run.

Original upload Nov 23, 2010

Engineers installing an IBM Quantum System One cryogenic assembly at Fraunhofer

Context photo · Holger Muench / IBM · CC BY 2.0

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Engineers install IBM Quantum System One at Fraunhofer. Archival quantum-computing context, not a video frame or the apparatus of another study.

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A circuit description needs a measurement rule. Michael Nielsen introduces measuring a qubit in a compact lesson within his structured course. It is best approached after the basic state notation, with time to distinguish probabilities in the description from the individual result observed in one run.

Video by Michael Nielsen. Added to QubitWire September 29, 2026.

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