Photosynthesis: Solar Power for Life
Like Duolingo, but for Photosynthesis: Solar Power for Life. 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

Key ideas in Photosynthesis: Solar Power for Life
- Chloroplasts are organelles inside plant cells
- Specialized hubs for photosynthesis
- Efficiency of grouped tools
- Thylakoids
- The stacked shape of internal membranes creates more 'landing zones' for light within a tiny volume.
- More surface area inside the organelle means the plant can capture more energy without needing to grow larger.
- Why plants concentrate energy production in chloroplasts rather than using the whole cell surface
- The hierarchy of light-catching structures from the leaf down to the internal membranes
- The color we see is the light that the plant could not use and reflected away.
- Different pigments act like different sized nets to catch various light colors.
- Pigments only capture the energy from the specific colors of light they absorb.
- Multiple pigments allow a plant to harvest energy from a larger portion of the solar spectrum.
- The relationship between pigment color and light absorption
- The evolutionary advantage of having a diverse pigment profile
- Each pigment type specializes in catching a specific 'slice' of the rainbow.
- The hierarchy of light-catching structures
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 Photosynthesis: Solar Power for Life 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.
Instead of using the whole cell surface, why does a plant use specific organelles for photosynthesis?
Get it right to open this lesson and 25 more in the app.
Where Photosynthesis: Solar Power for Life takes you
Go beyond the basics of 'sun meets leaf' to discover how plants actually capture light and turn it into fuel. Learn how the green world breathes and powers almost every living thing on Earth.
- 1
Catching the Sun's Energy
- The Solar Panel: Inside the Chloroplast
- Pigments: Why Leaves Aren't Just Green
- Splitting Water to Release Oxygen
- Storing Energy in Tiny Batteries
- 2
Building Sugar from Thin Air
- Inhaling Carbon: How Leaves Breathe
- The Sugar Factory: Turning Gas into Solid
- Recycling Molecules to Keep the Cycle Moving
- Storing the Harvest: From Sugar to Starch
- Night Shift: What Happens When the Sun Goes Down
- How Heat and Drought Change the Game
- 3
The Big Picture: Energy for the Planet
- Why Almost All Food is Solar Powered
- Balancing the Atmosphere's Carbon
- The Limits of Growth: Light, Water, and Air
3 sections · 13 units · 26 levels. Built to play, not to enroll.
You pick the voice
Photosynthesis: Solar Power for Life 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.
More Science on Tomo
Mastering Primate Taxonomy
Go beyond basic identification to master the complex evolutionary lineages and morphological nuances of the order Primates. From field identification to molecular phylogenetics, become an expert in the diversity of our closest relatives.
The Science of Superstars
Discover the invisible forces that connect everything from a perfect soccer goal to the birth of a distant star. Learn how the same laws of physics govern your favorite snacks, elite athletes, and the entire universe.
The Living Puzzle: Mastering Evolution
Move beyond basic survival of the fittest to understand the complex dance of life. Discover how genes shift, why weird traits persist, and how the history of the Earth is written in our own DNA.
Making Heavy Metal Fly
Ever wondered how a massive steel tube stays in the sky? Discover the simple tricks of air and speed that turn heavy planes into graceful gliders.
How Heavy Planes Stay Up
Ever wondered how a massive metal tube carrying hundreds of people stays in the sky? Discover the simple tricks pilots use to turn air into a solid support system.
Mind-Bending Science: From Chaos to Cosmos
Explore the wildest ideas in the universe, from cats that are both dead and alive to the invisible forces shaping our planet and beyond. Master the mysteries that keep even the world's smartest scientists awake at night.
Start Photosynthesis: Solar Power for Life today.
Download Tomo, search Photosynthesis: Solar Power for Life, and play your first lesson in under a minute.