In actuality, this liquid is more often alcohol than mercury. Another advantage of alcohol is that the freezing temperature of mercury is around -38F, so a mercury thermometer is not useful in ...

The thermometer has a small bulb filled with either mercury (in older thermometers) or alcohol (in modern ones). When the temperature rises, the liquid expands and moves up the narrow tube.

We test thermometers for accuracy, based on their performance in comparison to a mercury thermometer, and consistency (or repeatability), meaning how much they differ from one reading to the next ...

Non-mercury thermometers can be used in most applications including, incubators, water baths, or other applications where mercury thermometers have been traditionally used. If your application ...

It’s 3 a.m. Your two-year-old is crying. Her forehead is hot and you fear she’s running a fever. You rush to get a thermometer. You grab one, but in your haste, you drop it. It breaks, … ...