Thermodynamics: The 2016 advent calendar
Day 2

Is it really a law?

Chemist Andrea Sella discusses the significance of the most controversial of the four laws.

The zeroth law is a controversial one. Established after the others were already rooted squarely as fundamentals of our world, it was shoehorned in at the start of the list as a base principle that underlines the others. 

Professor Andrea Sella ponders the zeroth law, its relationship with the others, and its significance in our lives.