ScienceThe StorytellerIntermediate
Quantum Chromodynamics: The Strong Force in Reality course icon

Quantum Chromodynamics: The Strong Force in Reality

Like Duolingo, but for Quantum Chromodynamics: The Strong Force in Reality. Tomo turns the whole topic into a game you play five minutes a day, until it actually sticks.

For the part of you with thirty open tabs that never became anything.

63 bite-size levelsAbout 5 minutes each

Free during early access · No credit card · iPhone & Android

Quigley the Quark
Quantum Chromodynamics: The Strong Force in Reality
with Quigley the Quark
63
Levels
8
Sections
5
Min/day
What you'll learn

Key ideas in Quantum Chromodynamics: The Strong Force in Reality

  • The Higgs field only gives mass to fundamental particles like quarks
  • Proton mass is dominated by internal energy, not the Higgs-derived mass of its parts
  • Gluons are massless but carry immense binding energy
  • Quarks move at near-light speeds, contributing massive kinetic energy
  • Confined energy behaves as inertia according to QCD principles
  • The relative contribution of the Higgs field versus QCD to total atomic mass
  • The specific sources of mass within a nucleon
  • E=mc² allows energy to manifest as inertia in a bound system
  • Massless particles contribute to total mass when trapped in a small volume
  • The mass gap ensures the lightest bound state has a non-zero mass
  • Color confinement prevents gluons from escaping as individual massless rays
  • Application of mass-energy equivalence to massless force carriers
  • The QCD scale (Lambda-QCD) sets the baseline mass for all baryonic matter
  • Density is a function of the mass generated by strong force interactions
  • The role of the mass gap in preventing a weightless universe
  • Linking QCD energy scales to macroscopic density
Why not just Google it

You've tried the other tabs

Wikipedia

Thirty open tabs. Four facts you actually kept.

YouTube

You watched. You nodded. By Sunday it was gone.

ChatGPT

One answer, then back to scrolling.

Online courses

Eight weeks. You meant to finish. You didn't.

Tomo gives Quantum Chromodynamics: The Strong Force in Reality the Duolingo treatment: levels, streaks, and quick quizzes that test what you just learned. That game loop is what the tabs above never had, so it's the one you actually finish.

Try a question

Here's what playing it feels like

A real question from this course. Take your best guess.

The Ghost in the Machine

Imagine weighing a proton: where does the vast majority of that weight actually come from?

Get it right to open this lesson and 62 more in the app.

Course map

Where Quantum Chromodynamics: The Strong Force in Reality takes you

Go beyond the equations to see how the strong nuclear force generates 99% of your body's mass and powers the modern world, from cancer treatments to nuclear energy.

  1. 1

    The Origin of Your Mass

    • The 99% Rule: Mass from Energy
    • The Kinetic Energy of Matter
  2. 2

    The Mechanics of Color Charge

    • Color vs. Electric Charge
    • Gluon Self-Interaction
  3. 3

    Engineering the Nucleus

    • The Residual Strong Force
    • QCD in Fission and Fusion
  4. 4

    QCD in Modern Medicine

    • Proton Therapy Precision
    • Magnetic Moments and MRI
  5. 5

    Sensing and Material Science

    • Muon Tomography
    • Radiation Shielding Design
  6. 6

    The Computational Frontier

    • Lattice QCD: Simulating the Void
    • AI and Subatomic Discovery
  7. 7

    Extreme Environments

    • Neutron Star Crusts
    • Quark-Gluon Plasma
  8. 8

    Theoretical Foundations

    • Asymptotic Freedom
    • Confinement and the Vacuum

8 sections · 16 units · 63 levels. Built to play, not to enroll.

How it's taught

You pick the voice

This course
The Storyteller

Quantum Chromodynamics: The Strong Force in Reality is taught in the The Storyteller style: every lesson is a story. Want a different feel? In the app you can spin up the same topic in any of Tomo's teaching styles. Same facts, totally different vibe.

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