My thermostat uses the expansion/contraction of a drop mercury to conduct electricity and trigger when to turn off and on.JSONJSONJSON t1_iyauebs wrote
Reply to comment by Iain_MS 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
Yep, thermos are very small tubes, so very slight volume change is apparent.
SFXBTPD t1_iybd7fy wrote
Well its the way they taper down from a large bulb. The volume only changes by about 2% from 0 to 100C
JSONJSONJSON t1_iybfkhz wrote
Nice. Thermometer fact. 👍
JSONJSONJSON t1_iybftwk wrote
Oh! Is that because of decreased rate of change at higher temps? So the scale we read is consistent.
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