Why do we have multiple systems of measurement (e.g metric/imperial, Fahrenheit/celsius/kelvin)?
In: 0
Because 3 different men used natural phenomena as definitive points on separate temperature scales they each devised.
Fahrenheit chose an arbitrary scale where 32 was when water froze, and 212 when water boiled.
Celsius chose a scale where water freezing and boiling were precisely 100 measures (degrees) apart (at 0 and 100, respectively).
Kelvin chose his 0 to be where *all atomic vibration ceases*, also known as “absolute zero”.
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