Cos’è che distingue un uomo da uno schiavo? Denaro? Potere? No. Un uomo sceglie, uno schiavo obbedisce.

— Andrew Ryan

TRIPLE POINT
Water In Solid, Liquid & Gas Form In Equilibrium
The point at which a combination of pressure and temperature allow a substance to coexist in all three phases (solid, liquid & gas) in equilibrium. The triple point temperature and pressure for water are 0.0098 degC and 6.0 x 10 -3 atm respectively.

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