12 magg 1848 anni - 1848 Lord Kelvin invents a scale whith same units of Celsius, but at 0 degrees starting at 0 for absolute zero instead of freezing point. absolute 0 is when atoms diont move any more, so nothing moves forever.
Aggiunto al nastro di tempo:
Data:
12 magg 1848 anni
Adesso
~ 176 years ago
