The Quantum World
Like Duolingo, but for The Quantum World. 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.
Free forever · No credit card · iPhone & Android

Key ideas in The Quantum World
- Energy is not a smooth stream but is made of individual units called quanta
- Electrons disappear from one state and reappear in another instantly
- You cannot have 'half' of a fundamental energy packet
- There is no 'travel time' or intermediate path during a quantum leap
- The total energy is always a multiple of these base packets
- The transition is an all-or-nothing jump between fixed positions
- Energy as discrete packets
- The instantaneous nature of a quantum leap
- The universe has a 'minimum resolution' beyond which things aren't smooth
- Classical physics (Newtonian) works for large objects but fails at the atomic scale
- The concept of energy as discrete packets (quanta) versus a continuous flow
- At the macro scale, the graininess is hidden because the 'pixels' are so small
- Quantum effects are only noticeable when dealing with the very small
- Nature behaves like a digital screen rather than an analog painting
- Quantum particles do not have a single definite location until measured
- The 'pixelated' nature of the universe at the smallest scale
You've tried the other tabs
Thirty open tabs. Four facts you actually kept.
You watched. You nodded. By Sunday it was gone.
One answer, then back to scrolling.
Eight weeks. You meant to finish. You didn't.
Tomo gives The Quantum World 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.
Here's what playing it feels like
A real question from this course. Take your best guess.
When an electron makes a 'quantum leap' between two positions, how does it get there?
Get it right to open this lesson and 23 more in the app.
Where The Quantum World takes you
Discover the strange rules that govern the universe at its smallest scale. Learn why particles can be in two places at once and how this 'weird' science powers your smartphone.
- 1
Breaking the Rules of Reality
- The Quantum Leap
- Being in Two Places at Once
- 2
Waves, Particles, and Uncertainty
- The Wave-Particle Mystery
- The Uncertainty Principle
- 3
The Power of Observation
- Measurement and Reality
- Spooky Action at a Distance
- 4
Quantum Physics in Your Pocket
- How Quantum Built the Modern World
- The Future of Quantum Computing
4 sections · 8 units · 24 levels. Built to play, not to enroll.
You pick the voice
The Quantum World is taught in the The Bestie style: your friend who just gets it. 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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Start The Quantum World today.
Download Tomo, search The Quantum World, and play your first lesson in under a minute.