Thermal imaging

You glow ... but not a lot. Thermal images cannot be made with film, because film that sensitive would go black in the camera by itself. Thermal images are made with semiconductor arrays, which work better if cooled with liquid air.

Enhancing a raw low-contrast image with special Adobe-type software gives quite remarkable results.

The illustration was state-of-the-art (US Military) in 1990. Since then much of the technology has come into the public domain.

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