Mastering Your Refrigerator
Like Duolingo, but for Mastering Your Refrigerator. 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.
54 levels across 4 sections, about 108 minutes end to end, roughly 22 days at five minutes a day. It moves through Keeping Things Cold Every Day, Solving Common Fridge Mysteries, The Magic of Moving Heat, and The Hidden Parts Inside the Walls. It starts from scratch.
Free forever · No credit card · iPhone & Android
Key ideas in Mastering Your Refrigerator
- Cold air is denser than warm air and sinks to the bottom
- The door is the warmest part of the fridge due to frequent opening
- Heat rises within the enclosed fridge cabinet
- Perishables like milk require the most stable, coldest temperatures
- Why the bottom shelf is the coldest part of the main fridge body
- The safety of storing highly perishable items in the door
- Closing vents traps moisture to prevent wilting
- Fridges cool by circulating air around items
- Opening vents allows ethylene gas to escape, preventing rot
- How crisper drawer settings affect different produce types
- Blocked airflow creates warm pockets where bacteria can grow
- The impact of overcrowding on air circulation and food safety
- The door is exposed to room air most often
- Internal air settles into a vertical temperature gradient
- Bacteria multiply most rapidly between 40°F and 140°F
- Temperatures below 40°F slow bacterial growth significantly
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 Mastering Your Refrigerator 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.
Which area of the refrigerator experiences the most temperature fluctuation and highest heat levels?
Get it right to open this lesson and 53 more in the app.
Where Mastering Your Refrigerator takes you
Learn how to keep your food fresh and your drinks cold by mastering the science of cooling. Discover how your fridge moves heat around and how you can fix common cooling problems yourself.
- 1
Keeping Things Cold Every Day
- Where to Put Your Groceries for Max Freshness
- Setting the Perfect Temperature
- Why You Should Never Leave the Door Open
- Cleaning the Coils to Save Energy
- 2
Solving Common Fridge Mysteries
- Why is My Lettuce Freezing?
- Finding the Source of Strange Noises
- What to Do When the Ice Maker Stops
- Checking the Door Seal with a Dollar Bill
- Why Water is Leaking on the Floor
- How to Reset Your Fridge After a Power Outage
- 3
The Magic of Moving Heat
- Cold Isn't Real: It's Just Less Heat
- How Liquids Can Turn into Cold Gas
- The Job of the Compressor Pump
- 4
The Hidden Parts Inside the Walls
- The Evaporator: The Part That Gets Cold
- The Condenser: Where the Heat Escapes
- The Expansion Valve: The Tiny Gatekeeper
- How the Thermostat Tells the Fridge to Start
- The Secret Life of Refrigerant Chemicals
4 sections · 18 units · 54 levels. Built to play, not to enroll.
You pick the voice
Mastering Your Refrigerator 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.
More Science on Tomo
Mastering the Rules of the Universe
Stop memorizing random letters and start seeing the invisible patterns that move the world. Learn how to predict the future using the simple math behind speed, force, and energy.
Photosynthesis: Solar Power for Life
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.
Mastering Motion: The Physics of Moving Things
Stop just memorizing formulas and start predicting how the world moves. From launching projectiles to reading the hidden stories in graphs, you will master the language of motion used by NASA engineers and pro athletes alike.
The Secret Life of Energy
Discover how energy moves through everything from your morning snack to the stars in the sky. Learn to spot the invisible forces that make our world go round.
The Living World Around You
Stop seeing just plants and animals and start seeing the invisible systems that keep life moving. Learn how your body works, how nature stays in balance, and the secrets hidden in your DNA.
The Inner Journey: Mastering Digestion
Go beyond the basics of eating to understand how your body extracts energy and handles waste. Explore the mechanical and chemical marvels of the gut and see how other animals solve the same problems.
Start Mastering Your Refrigerator today.
Download Tomo, search Mastering Your Refrigerator, and play your first lesson in under a minute.