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
LogicallySound_ t1_iyc93fo wrote on November 30, 2022 at 9:10 AM There is something quintessentially “Reddit” about someone showcasing very old technology as if it were new and confidently describing it’s function incorrectly as if Google didn’t exist. Permalink 0
My thermostat uses the expansion/contraction of a drop mercury to conduct electricity and trigger when to turn off and on.
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