How Quantum Physics Explains Reality
Discover the counterintuitive rules that govern the universe at its smallest scales. Learn how waves act as particles, why uncertainty is built into nature, and how quantum quirks power the technology in your pocket.
Like Duolingo, but for How Quantum Physics Explains Reality. Tomo turns the whole topic into a game you play five minutes a day, until it actually sticks.
A short one: 11 levels across 2 sections, about 22 minutes end to end, roughly 4 days at five minutes a day. It moves through The Strange Rules of the Very Small and Quantum Effects You Can Actually Touch. It starts from scratch.
Free forever · No credit card · iPhone & Android

Key ideas in How Quantum Physics Explains Reality
- Light spreads out across space like ripples in water as it travels
- When light hits a detector or surface, it always deposits its energy in discrete indivisible packets called photons
- Even when light is so dim that only one packet arrives at a time, each packet registers at a single sharp point rather than a faint spread
- All physical matter, including solid particles like electrons, has a wave nature
- When fired through narrow gaps, beams of electrons produce interference patterns just like water or light waves do
- A single unobserved particle acts like a wave that passes through both slits simultaneously
- The wave emerging from both slits interferes with itself, creating alternating bands of high and low probability on the screen
- Even firing particles one by one builds the exact same multi-stripe interference pattern over time
- Quantum 'observation' simply means any physical interaction that leaves a permanent record of which path the particle took
- Conscious human awareness is not required to collapse the wave; an unattended mechanical sensor does it automatically
- Electrons do not follow fixed, predictable tracks around an atomic nucleus like planets
- A wave function maps out the odds of finding an electron in different locations
- An electron cloud is denser where the probability of finding the electron is highest
- The uncertainty principle is a fundamental law of wave-like quantum objects, not a limitation of lab equipment
- The more precisely you pin down an electron's position, the less precisely you can know its momentum, regardless of how good your tools are
- A quantum system can exist in a blend of multiple mutually exclusive states at once
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 How Quantum Physics Explains 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.
Here's what playing it feels like
A real question from this course. Take your best guess.
If you turn a lamp down so dim that only one photon arrives at a time, what does a sensor screen record?
Get it right to open this lesson and 10 more in the app.
How to learn How Quantum Physics Explains Reality, step by step
Go in order. 11 short levels across 2 sections, about 22 minutes in all, five minutes a day.
- 1
The Strange Rules of the Very Small
- Seeing Waves and Particles at the Same Time
- Thinking in Probabilities Instead of Certainty
- 2
Quantum Effects You Can Actually Touch
- Making Sense of Tunneling and Entanglement
- The Quantum Engine Inside Modern Tech
2 sections · 4 units · 11 levels. Built to play, not to enroll.
Questions about How Quantum Physics Explains Reality
How do I learn How Quantum Physics Explains Reality?
Go in order: start with The Strange Rules of the Very Small, then Quantum Effects You Can Actually Touch. On Tomo that's 11 short levels, about 22 minutes in all, played five minutes a day. Start free and play the first level in under a minute.
Is there a Duolingo-style app for How Quantum Physics Explains Reality?
Yes. Tomo works like Duolingo: short daily lessons, streaks and quick quizzes. How Quantum Physics Explains Reality is one of its free courses, and you can type any other topic to get a course of your own.
Is the How Quantum Physics Explains Reality course free?
Yes. How Quantum Physics Explains Reality is playable on Tomo's free plan, which doesn't expire. No credit card, no waitlist. Download the app and start your first lesson.
How long does it take to learn How Quantum Physics Explains Reality?
11 levels across 2 sections, about 22 minutes of play in total. It's built for five minutes a day, so you finish it a little at a time instead of all at once.
Do I need any background to start How Quantum Physics Explains Reality?
No. It's pitched at a beginner level, so it starts where you are and builds up. If you can tap a phone, you can start.
Tomo is in ChatGPT
Tomo is also a ChatGPT plugin: the same playable courses, built and played inside your chat.
Add Tomo to ChatGPT- What to ask
- “Make me a Tomo course on black holes.” “Turn this chat into a Tomo course.”
- What you get
- Quick questions with instant feedback, hearts and stars, ready to play in about a minute.
- Where it goes
- No sign-up to start. Connect your Tomo account and your streak carries on in the app.
You pick the voice
How Quantum Physics Explains Reality is taught in the Professor style: clear, structured, thorough. 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.
More Science on Tomo
Quantum Physics: Rules of the Ultra-Small
Explore the mind-bending rules that govern the universe at its smallest scales. Discover how particles act like waves, why uncertainty rules reality, and how quantum quirks power the technology in your pocket.
The Rules of Quantum Reality
Discover the bizarre rules that govern the universe at the smallest scales, where particles act like waves and barriers can be bypassed. Learn how these counterintuitive principles explain everything from how the sun shines to how quantum computers compute.
How Quantum Physics Works
Step inside the strange rules that govern the universe at its smallest scales. Discover why light acts like both waves and particles, how probability replaces certainty, and why these bizarre quantum quirks power modern technology.
How Quantum Physics Works
Explore how reality behaves when you zoom down to the atomic scale. Build an intuitive grasp of wave-particle duality, superposition, and entanglement without needing complex mathematics, and see how these bizarre rules power modern technology.
Quantum Physics in Everyday Tech
Discover how bizarre quantum mechanics quietly powers our everyday world, from smartphone chips and lasers to medical MRI scans. Explore the counterintuitive rules behind modern devices and the coming leap into quantum computing.
The Strange Logic of Quantum Physics
Discover the counter-intuitive rules that govern the very small, where particles can be in two places at once and reality changes just because you looked at it.
Start How Quantum Physics Explains Reality today.
Download Tomo, search How Quantum Physics Explains Reality, and play your first lesson in under a minute.