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Physics · Quantum mechanics

Quantum Lab

Explore hydrogen clouds, quantum barriers, Bloch spheres and entangled pairs.

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First lesson01 · A cloud is a probabilitySee all 16 lessons →

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The course

4 worlds · 16 lessons

World 1 · Hydrogen without planetary orbits

FREE
  1. 01A cloud is a probability
  2. 02A spherical node
  3. 03Two lobes and a plane
  4. 04More structure, same rule
  5. 05Different shapes, one energy

World 2 · Confinement and barriers

PRO
  1. 01Waves that fitPRO
  2. 02A tighter box costs energyPRO
  3. 03Across a forbidden barrierPRO
  4. 04Above does not mean transparentPRO

World 3 · A single qubit

PRO
  1. 01Two measurement outcomesPRO
  2. 02A balanced superpositionPRO
  3. 03Phase changes interferencePRO

World 4 · Two qubits, one state

PROSeparate chance from a shared quantum state
  1. 01Two superpositions need not be entangledPRO
  2. 02Build a Bell pairPRO
  3. 03Measure one, predict the otherPRO
  4. 04The hidden difference between Bell statesPRO
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Guides for Quantum Lab

All guides →
Exam prep
Chemistry LabAP Chemistry Bonding and Structure: A Free Study GuideConnect atomic structure, ionic and covalent bonds, molecular shape and polarity to free interactive lessons, with a study plan and practice exam advice.4 min read
Explainer
Quantum LabHydrogen Orbitals Explained: Electron Clouds, Not OrbitsWhat an atomic orbital really is, why electrons are clouds of probability rather than tiny planets, and how nodes and quantum numbers shape hydrogen.4 min read
Explainer
Organic ChemistryOrganic Chemistry Basics: Hybridisation and Functional GroupsWhy carbon forms so many compounds, how sp3, sp2 and sp hybridisation set molecular shape, and how functional groups predict reactions. Beginner friendly.4 min read