Interactive micro-lessons

Learn how everything works.

Visual, hands-on lessons about circuits, engines, plumbing, and more — in 5 minutes or less. No textbooks. Just curiosity.

Start with Circuits→
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Electricity

4 lessons
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Electrical Circuits
How electricity flows and switches work
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Series vs Parallel
Why one broken bulb kills the whole string
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Ω
Ohm's Law
Why electricians care so much about resistance
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📸
Capacitors
How a camera flash fires in milliseconds
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Coming soon

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Combustion Engines
The 4-stroke cycle that powers your car
Coming soon
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Home Plumbing
Pressure, flow, and why pipes burst
Coming soon
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How Fridges Work
The refrigeration cycle, explained visually
Coming soon