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World 2 · Confinement and barriers · 9 min · PRO

A tighter box costs energy

PRO · Quantum Lab

World 2: Confinement and barriers 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.

  • Waves that fit
  • Across a forbidden barrier
  • Above does not mean transparent
  • Two measurement outcomes
  • A balanced superposition
PRO includes
  • All 26 labs — every world, every lesson
  • Practice exams and certificates

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