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
seanmorris t1_iyba390 wrote on November 30, 2022 at 2:52 AM Na, its using a bimetallic strip to move the glass in the tube. The mercury slides back and forth, and makes contact with the conductors only one one side. Permalink 3
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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