Science, still reacting.
A living garden of science.
A living garden of science — documents we tend, revise, and grow. Made to be clear, accurate, and genuinely fun to read.
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The Slow Chemistry Inside a Battery
A battery is two reactions kept apart, forced to trade electrons through your device. Discharge, recharge, and why every battery eventually dies — the chemistry made concrete.
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The Hidden Geometry of a Rainbow
Every raindrop bends and bounces sunlight into a cone exactly 42 degrees wide. That single angle explains the arc, the order of the colors, and why you can never reach the end.
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Why the Sea Rises Twice a Day, Not Once
The Moon pulls the ocean toward it — so why is there also a high tide on the side of the Earth facing away from the Moon? The answer isn't the pull. It's the difference in the pull.
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The Cosmic Distance Ladder
Two stars, one bright and one faint, and no way to tell near from far by looking. How astronomers built a chain of rulers from a thumb's-width of parallax to exploding stars — and where the chain has started to crack.
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Do Black Holes Last Forever?
It swallows light and gives nothing back — so how can it have a temperature, and slowly boil away to nothing? The story of Hawking radiation, and the paradox that discovery left unsolved.
Living documents
Made to keep improving.
Nothing here is filed away and forgotten. Every document is something we keep tending — correcting, expanding, and sharpening it as the science gets clearer. Spot a mistake or a way to make it better? That's exactly what these pages are for.
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