this post was submitted on 08 Sep 2024
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[โ€“] Gerudo@lemm.ee 16 points 2 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@lemmy.world 13 points 2 months ago

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