What is absolute zero?
The Kelvin Scale is a temperature scale at which absolute zero is a theoretical temperature. At absoluter zero all molecular movement ceases. The scale is designed so that one unit Kelvin is equal to one unit Celsius. All actual temperatures are above absolute zero. Water freezes at 273.16K and the boiling point of water is 373.16K.
The scale was developed by Lord Kelvin who was knighted by Queen Victoria in 1866. He also discovered the second law of thermodynamics which states that the quantity of energy in the universe is falling.
Nice quick and concise explanation.
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