Thermodynamics: The 2016 advent calendar
Day 19

The third law of thermodynamics

Valeska Ting explains the relationship between entropy, temperature and absolute zero.

Valeska Ting completes her series of films explaining the four laws of thermodynamics. The third law states that entropy decreases to zero as temperature approaches absolute zero. But what does this mean?

Valeska tackles the theoretical concept of absolute zero, explains the nature of a perfect crystal, and uses a fire extinguisher to illustrate the relationship between entropy and temperature.

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