November 27th is Anders Celsius birthday. Celsius was a Swedish astronomer who brought us the a temperature scale that would become the Celsius temperature scale. He proposed a scale where the freezing point of water at one standard pressure was defined as 100°C and the boiling point of water was defined as 0°C. His temperature scale was called centigrade which meant 100 steps in Latin. After Celsius death, another Swedish scientist, Carolus Linnaeus swapped the two endpoints and renamed the scale after Celsius. The modern Celsius scale uses two different points to define the scale: absolute zero and the triple point of VSMOW, or Vienna Standard Mean Ocean Water. The name Celsius was retained and the degree Celsius is used as the SI unit of temperature
Posted on: Wed, 27 Nov 2013 16:54:01 +0000
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