5K views · 148 reactions | On this day in 1686, German physicist, engineer and glass blower Daniel Gabriel Fahrenheit was born. He invented the alcohol thermometer (1709) and the mercury thermometer (1714). He also developed the Fahrenheit temperature scale by reference to three fixed points of temperature, where a mixture of ice, water and ammonium chloride was taken as 0 ˚F. Check out how some of his thermometers work. | Reactions | Facebook

2021 was tied the sixth warmest year on NASA’s record, stretching more than a century. But, what is a temperature record? https://go.nasa.gov/3fos6Ch GISTEMP, NASA - National Aeronautics and Space Administration’s global temperature analysis, takes in millions of observations from instruments on weather stations, ships and ocean buoys, and Antarctic research stations, to determine how much warmer or cooler Earth is on average from year to year. Stretching back to 1880, NASA’s record shows a clea