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submitted 8 months ago by [email protected] to c/[email protected]

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[–] [email protected] 16 points 8 months ago (1 children)

It was always my understanding that they detected carbon dioxide we exhaled. This is the first I've heard about infrared.

[–] [email protected] 13 points 8 months ago

When I worked for the county doing mosquito control about 15 years ago, I was told they did both.