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JohnDoeofDoeland t1_izl4j6z wrote

Never heard of Aerochrome film, eh kid?

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Sbbazzz t1_izl59hd wrote

No I haven't

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QueenCassie5 t1_izl7x8y wrote

Using film that shows the IR part of the spectrum, you can see healthy vs unhealthy parts of a forest for example.

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