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Fahrenheit

Why Do People Still Use Fahrenheit?

Most people reading this use Celsius as their temperature scale. Fahrenheit is only used in the Bahamas, Belize, the Cayman Islands, Palau, and the United States and associated territories (Puerto Rico, Guam and the U.S. Virgin Islands). So why is this arbitrary scale still in use? Hear the story of Daniel Gabriel Fahrenheit in the video below, then learn more about temperature measurements.

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Fahrenheit, Explained

Uncover why this seemingly arbitrary measurement was ever created.

Fahrenheit, Celsius, and Kelvin

What's the difference between the three? Learn in this super speedy video.

Celsius Didn't Invent Celsius

Celsius never devised, nor used the scale that now bears his name. Here's what really happened.

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Key Facts In This Video

  1. Celsius had his scale upside down from the scale we use today, as did his predecessor. That's to avoid negative numbers. 01:15

  2. Its origins are unclear, but we do know that by 1745, there was a thermometer at Upsala University with the Celsius scale we know today. 02:27

  3. Celsius was the first to establish which physical processes could reliably produce a fixed temperature. Past scales had used wildly unreliable standards. 04:28

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