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
SFXBTPD t1_iybd7fy wrote on November 30, 2022 at 3:17 AM Reply to comment by JSONJSONJSON 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 Well its the way they taper down from a large bulb. The volume only changes by about 2% from 0 to 100C Permalink Parent 3 JSONJSONJSON t1_iybfkhz wrote on November 30, 2022 at 3:36 AM Nice. Thermometer fact. 👍 Permalink Parent 2 JSONJSONJSON t1_iybftwk wrote on November 30, 2022 at 3:38 AM Oh! Is that because of decreased rate of change at higher temps? So the scale we read is consistent. Permalink Parent 2
JSONJSONJSON t1_iybfkhz wrote on November 30, 2022 at 3:36 AM Nice. Thermometer fact. 👍 Permalink Parent 2
JSONJSONJSON t1_iybftwk wrote on November 30, 2022 at 3:38 AM Oh! Is that because of decreased rate of change at higher temps? So the scale we read is consistent. Permalink Parent 2
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