November 2014 was the coldest November in nearly 15 years in the US and served as a chilly reminder that no area is safe from frigid temperatures: all 50 US states fell below the freezing mark; Buffalo, NY was buried in more than 65 inches of lake effect snow; and parts of Montana exp

The Zeroth Law of Thermodynamics states that two objects in thermal equilibrium with a third system are also in thermal equilibrium with one another. This law is the basis of temperature – temperature flows from hot to cold; therefore, when systems are in thermal equilibrium, they are