This article was originally on a blog post platform and may be missing photos, graphics or links. See About archive blog posts. Years ago, when my children were young, I remember walking into the ...

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

Temperatures taken from mercury thermometers by the U.S. Weather Bureau in the late 1800s were actually more accurate than the readings from today’s electronic thermometers. Once calibrated, a mercury ...

Measuring your body temperature with a glass thermometer is pretty handy, but making the instruments is not easy. A finished mercury-in-glass thermometer requires at least 25 intricate steps including ...

Equipment: A Galileo's thermometer (a sealed liquid filled glass cylinder containing sealed glass floats labeled 18, 19, 20, 21, 22, 24 and 26 degrees C), a 4 liter ...

Air thermoscope and air thermometer -- The invention of the liquid-in-glass thermometer -- Seventeenth-century developments -- The search for rational scales -- Difficulties and refinements -- Maximum ...