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World 3 · A single qubit · 9 min · PRO

Phase changes interference

PRO · Quantum Lab

World 3: A single qubit is part of PRO

The first world of Quantum Lab is free. PRO opens the other 11 lessons in 3 worlds — simulations, quizzes and all.

  • Two measurement outcomes
  • A balanced superposition
  • Two superpositions need not be entangled
  • Build a Bell pair
  • Measure one, predict the other
PRO includes
  • All 26 labs — every world, every lesson
  • Practice exams and certificates

$8.33/mo, billed yearly ($99.99) · or $39.99 monthly

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← A balanced superpositionTwo superpositions need not be entangled →

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