You know the ones on keyrings or fridge magnets and other cheap stuff?
I have one on a magnet, it is surprisingly perfectly accurate. It has a red liquid inside, obviously not mercury.
You know the ones on keyrings or fridge magnets and other cheap stuff?
I have one on a magnet, it is surprisingly perfectly accurate. It has a red liquid inside, obviously not mercury.
Usually alcohol. The red is dye.
Right.
And in glass thermometers with silver liquid, the liquid nowadays is galinstan.
Huh. I just learned a new word! Thanks!
“The marketing name is a portmanteau of gallium, indium, and stannum (Latin for “tin”).”
Thanks!