this post was submitted on 30 Jul 2024
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xkcd
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edit: so it seems that if there is significant day/night temperature difference in your home, that can be a factor and it may not be only about selective memory.
i apologize to the author.
https://www.researchgate.net/figure/Output-voltage-of-single-9V-battery-with-temperature_fig1_252062945
https://diy.stackexchange.com/a/221040
~~The problem is xkcd is about science and this is as scientific as trump solving the hurricane with a sharpie...~~
Thanks, really no need to apologize. I had assumed it was just selective memory myself and hadn't considered the temp/voltage drop possibility, but now we have learned something.