Mercury can be found in a variety of non-laboratory items such as fluorescent light bulbs, thermometers, older pressure gauges, plumbing traps, manometers, barometer, thermostats, capacitors, and ...

FARGO — The principal of a liquid-in-glass thermometer is that the liquid inside a very narrow tube will contract and expand with temperature variation. The top of the liquid represents the ...

FARGO — The principal of a liquid-in-glass thermometer is that the liquid inside a very narrow tube will contract and expand with temperature variation. The top of the liquid represents the ...

Mercury is a somewhat different metal in that it is liquid when most other metals are solid. It has a silvery-gray color, and although many thermometers today are digital, mercury is often used in ...

BALTIMORE - It was one of Daniel Gabriel Fahrenheit's most famous inventions, in 1714. But after nearly 300 years on the market, the still-common mercury thermometer now appears headed for extinction.