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Not XKCD - Smoke detector batteries
(lemmy.world)
This comic is inspired by XKCD and recent events and observations in my life. Disclaimer: I have no artistic ability and blatantly rip off the XKCD style and artwork, however the idea is mine and I feel it fits.
oh come on, we are talking about detectors inside heated apartments, not an igloo.
edit: ok, but now i am curious. it seems that other people share the same theory, but that doesn't mean it is not just shared myth.
https://www.google.com/search?q=fire+detectors+battery+dead+time+of+day
if anyone has some research or link they consider interesting on the topic, i'd be happy to look at it.