Subject

Energy, Explained

Where energy comes from, how we move it around, and why it's never really created or destroyed. Solar, nuclear, batteries, fossil fuels — the physics under the headlines.

Articles

How Solar Panels Actually Work — Photons Knocking Electrons Loose A solar panel is a flat slab of silicon arranged so that incoming light knocks electrons loose, creating a current. The physics is the photoelectric effect — the same thing Einstein won his Nobel Prize for.
Where Fossil Fuels Come From — Ancient Sunlight, Compressed Coal, oil, and gas are buried, transformed remains of plants and microorganisms that lived hundreds of millions of years ago. We're burning ancient solar energy stored in chemical bonds — and releasing the carbon that's been locked up since.

Where to go next

A short editorial reading list. Pick whichever fits how you like to learn.

Wikipedia: the formal definition, cross-references, and citations

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