In an analog thermometer, the colored alcohol (which replaced mercury) inside the glass tube rises in response to the heat of the substance it's resting in. So, to read it, you need to stoop to ...

The first mercury thermometer was invented in 1748 and had provided accurate (and precise) temperatures for 250 years. There's even a study showing that they are more accurate than the stupid digital ...

A standard mercury thermometer can provide enough raw mercury (500 mg) for about 100 bulbs, says Greg Strouse, the head of NIST’s Temperature and Humidity team.) Advertisement.

Unlike those analog or mercury-in-glass thermometers — invented by Dutch physicist Daniel Gabriel Fahrenheit in Amsterdam in 1714 — the digital ones are flatter with clear, LCD displays that deliver ...