# Chapter 2 - Physics in Industrial Instrumentation

## Chapter 2 - Physics in Industrial Instrumentation

There is a lot of truth to this quote, despite its sarcastic tone. Physics really is the study of matter and energy, and of the laws governing the interactions of both. The movement of matter largely follows the laws described by Isaac Newton (so much so that this category of physics is often referred to as Newtonian physics). The flow and transformation of energy is a category called thermodynamics. Albert Einstein went on to equate matter with energy through his famous equation $$E = mc^2$$ which helped usher in the age of nuclear physics.