My thermostat uses the expansion/contraction of a drop mercury to conduct electricity and trigger when to turn off and on. Submitted by Iain_MS t3_z84a06 on November 29, 2022 at 7:58 PM in mildlyinteresting 91 comments 197
Dylsnick t1_iybw9gf wrote on November 30, 2022 at 6:16 AM HVAC tech here. You're all wrong. It's magic. Don't ask questions, just pay us to wave our magic wand and fix shit. Permalink 2 Iain_MS OP t1_iybxdvo wrote on November 30, 2022 at 6:30 AM To be fair mercury is pretty magical if you don’t think about how toxic it is. Permalink Parent 1
Iain_MS OP t1_iybxdvo wrote on November 30, 2022 at 6:30 AM To be fair mercury is pretty magical if you don’t think about how toxic it is. Permalink Parent 1
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