Mastering the Building Blocks of the Universe
Like Duolingo, but for Mastering the Building Blocks of the Universe. 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 during early access · No credit card · iPhone & Android

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 turns Mastering the Building Blocks of the Universe into a game you actually finish. Levels, streaks, and quick quizzes that make it stick. Five minutes a day.
Where Mastering the Building Blocks of the Universe takes you
Stop memorizing names and start understanding how everything around you is built. From the air you breathe to the phone in your hand, discover how a few simple elements create our entire world.
- 1
Spotting Elements in Your Daily Life
- The invisible gases in your room
- Metals you touch every day
- What makes your snacks salty or sweet
- The hidden ingredients in your smartphone
- 2
Predicting How Elements Will Behave
- Why some metals explode in water
- The loners: elements that refuse to react
- How to read the table's secret map
- The strength of the carbon family
- Why oxygen is so 'greedy'
- The colorful world of transition metals
- 3
Mixing and Matching for New Materials
- How two poisons make table salt
- The recipe for breathable air
- Why steel is stronger than iron
- 4
Handling the Rare and Dangerous
- What makes an element radioactive
- The heavy hitters at the bottom of the chart
- Elements that only exist in a lab
- How we use radiation for good
- The mystery of the rare earth metals
- 5
The Tiny Engines Inside the Atom
- The dance of the electrons
- Why the nucleus stays together
- How atoms share their shells
- The weight of an element
- 6
Where the Elements Came From
- Forged in the heart of a star
- The Big Bang's first three elements
- How supernovas scatter the heavy stuff
- The future of the periodic table
- Why some elements are disappearing
6 sections · 27 units · 108 levels. Built to play, not to enroll.
Here's what playing it feels like
A real question from this course. Take your best guess.
If you were to divide a sample of air into 100 parts, how many parts would typically be oxygen?
Get it right to open this lesson and 107 more in the app.
You pick the voice
Mastering the Building Blocks of the Universe is taught in the 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.
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Start Mastering the Building Blocks of the Universe today.
Download Tomo, search Mastering the Building Blocks of the Universe, and play your first lesson in under a minute.