Crystal Palace and camera: what they have in common

1. Step 1. Crystal Palace — was inspired by — Greenhouse. Paxton was a gardener and a builder of glasshouses.
2. Step 2. Greenhouse — uses — Greenhouse effect. Glass lets light in and holds heat.
3. Step 3. Greenhouse effect — uses — Infrared radiation. Infrared radiation is trapped.
4. Step 4. Infrared radiation — is used in — Thermal camera. Heat radiation.
5. Step 5. Thermal camera — is a kind of — Camera. A thermal camera is a camera that sees heat instead of light.

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