Who Invented the Fahrenheit and Celsius Temperature Scales?




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Firmly entrenched in American society, the seemingly capricious nature of the Fahrenheit temperature scale could lead one to think that its Dutch inventor, Daniel Fahrenheit, pulled the number for the freezing point (32°F) of water out of his hat. But, in fact, its designation, as well as that of 0°F were precisely (for the early 18th century) calculated based upon deliberate choices about how to establish fixed points of temperature.

Want the text version?: http://www.todayifoundout.com/index.php/2014/12/fahrenheit-scale-isnt-arbitrary-seems/

Sources:

http://en.wikipedia.org/wiki/Anders_Celsius
http://www.notablebiographies.com/Ca-Ch/Celsius-Anders.html
http://www.livescience.com/25959-atoms-colder-than-absolute-zero.html
http://education-portal.com/academy/lesson/carolus-linnaeus-classification-taxonomy-contributions-to-biology.html#lesson
http://www.sizes.com/units/temperature_Fahrenheit.htm
http://en.wikipedia.org/wiki/Daniel_Gabriel_Fahrenheit
http://en.wikipedia.org/wiki/Kelvin
http://www.linnaeus.uu.se/online/life/6_32.html
http://dwb4.unl.edu/Chem/CHEM869M/CHEM869MLinks/www.santesson.com/engtemp.html
http://en.wikipedia.org/wiki/R%C3%B8mer_scale
http://dwb4.unl.edu/chem/chem869m/chem869mlinks/inventors.about.com/science/inventors/library/inventors/blthermometer.htm
http://www.physlink.com/Education/AskExperts/ae64.cfm?CFID=21412834&CFTOKEN=55577927
http://antoine.frostburg.edu/chem/senese/101/solutions/faq/zero-fahrenheit.shtml

Image Credit:

https://www.bigstockphoto.com/ru/image-211208290/stock-photo-thermometer-on-snow-shows-low-temperatures-zero-low-temperatures-in-degrees-celsius-and-fahrenhei
https://www.bigstockphoto.com/ru/image-55929446/stock-vector-thermometers-celsius-kelvin-fahrenheit
https://www.bigstockphoto.com/ru/image-126932384/stock-photo-make-it-easy
https://www.bigstockphoto.com/ru/image-39766291/stock-photo-%D0%A2%D0%B5%D1%80%D0%BC%D0%BE%D0%BC%D0%B5%D1%82%D1%80-%D1%8D%D0%BB%D0%B5%D0%BA%D1%82%D1%80%D0%BE%D0%BD%D0%BD%D1%8B%D0%B9-%D0%BE%D1%80%D0%B3%D0%B0%D0%BD-%D0%97%D0%B4%D0%BE%D1%80%D0%BE%D0%B2%D0%B0%D1%8F-%D1%82%D0%B5%D0%BC%D0%BF%D0%B5%D1%80%D0%B0%D1%82%D1%83%D1%80%D0%B0-%D0%98%D0%B7%D0%BE%D0%BB%D0%B8%D1%80%D0%BE%D0%B2%D0%B0%D0%BD%D0%BD%D1%8B%D0%B5-%D0%9E%D1%82%D1%81%D0%B5%D1%87%D0%B5%D0%BD%D0%B8%D1%8F-%D0%BF%D1%83%D1%82%D1%8C
https://www.bigstockphoto.com/ru/image-150606485/stock-photo-heat-wave-high-temperatures
https://www.bigstockphoto.com/ru/image-159699758/stock-photo-orange-clementines-in-a-lush-orchard-of-orangery
https://www.bigstockphoto.com/ru/image-155333003/stock-photo-close-up-of-old-english-dictionary-page-with-word-centigrade

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33 responses to “Who Invented the Fahrenheit and Celsius Temperature Scales?”

  1. Degrees Celsius is not an SI unit. Zero degrees Kelvin is -273.15 Degrees Celsius. To do calculations in Engineering, Physics and other branches of science, you have to convert from Degrees Celsius to Degrees Kelvin. This is easily done by simply adding 273.15 to Degrees Celsius to obtain Degrees Kelvin, which then can be used in calculations. 273.15 Degrees Kelvin is 0 Degrees Celsius and 373.15 Degrees Kelvin is 100 Degrees Celsius.

  2. 1. Celcius is not a part of the metric system.
    2. Farenheit is just as base 10 as Celcius is.
    3. Farenheit's 0-100 more closely represents the daily temperature on Earth. Whereas it's routinely below 0C and never 100C.

  3. You should do a video on what it would take for the USA to convert to the metric system, detailing the myriad ways the country, education system, and industries would have to adjust

  4. Even though I live in the States, I like to use Celsius. Although I'm sure I would get a lot of strange looks from my friends if I said, "It's going to be 28 degrees today." "How nice." "I think I'll go to the beach!"

  5. The Celsius users are all "Celsius is better"! The Fahrenheit users are all "Fahrenheit is better"! But the reality is that it's all arbitrary anyway. Pegging 0 to freezing water and 100 to boiling water is as arbitrary as the way the Fahrenheit model does it. They both have some advantages and downsides. Unlike the metric debate, this one doesn't have a clear winner.

  6. A general rule of thumb: If a unit is defined as something not necessarily consistent and repeatable in all measurements, the unit sucks. Human body temperature (length of a foot, size of a barley corn…) varies wildly and that has been known even in the Fahrenheit's days so why did he go with that stupidity beggars reason. Besides, a degree Fahrenheit today is defined using units of Kelvin, pretty much like the whole Imperial scale, so further discussion of what's superior is pointless.

  7. My normal body temperature is 97 F. If I get up to 98.6 F, I start to hallucinate from fever. It sucks because they never believe that I'm as sick as I am at the hospital, even though they know damn well that a person's body temperature can vary and even when I tell them that mine is normally 97.

  8. UGH. VHS rental tapes. Those things were never recorded with the same tracking settings the VCRs were. Always had to fiddle with the tracking until it stabilized, then when you went to watch a regular tape, adjust it back.
    You kids and your streaming everything. All you dread is 'BUFFERING," never knowing the horrible sound of a VCR starting to eat a crappy tape, or that line of static that moves up the screen.
    The color shift usually meant it was bootleg, or recorded over the air from a UHF channel.

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