this post was submitted on 08 Sep 2024
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[โ€“] [email protected] 16 points 4 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.

[โ€“] SandLight 13 points 4 months ago

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