Significant-Funny-14
Significant-Funny-14 t1_iybltvo wrote
Reply to comment by ksquires1988 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
That is correct. I believe one piece of metal expands more with heat than the other, causing a flex rather than just extending very slightly
Significant-Funny-14 t1_iyf7ieh wrote
Reply to comment by ballyfast in Electric car made in 1922 by whothefuqisdan
In the 40s they also made a car out of materials made from soybeans and wheat. Called the Soybean Car, and you'd never guess why.
Somehow both a very good looking car and absolutely butt ugly at the same time