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
Iain_MS OP t1_iybr9ai wrote on November 30, 2022 at 5:22 AM Reply to comment by ftminsc in My thermostat uses the expansion/contraction of a drop mercury to conduct electricity and trigger when to turn off and on. by Iain_MS Neat! Permalink Parent 1
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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