What Is A Scientific Theory?

How does science work? (At least in the case of physics and other mathematical sciences.) I touched on this subject before (in a post entitled Does Nature “Obey” The Laws Of Physics?), but I would like to take a more general perspective here. So how does science work? First you observe the world, and you … Read more

Does Nature “Obey” The Laws of Physics?

Today I’d like to discuss a pet peeve of mine. In many physics textbooks, one reads phrases such as: a certain physical system obeys a certain law of physics Here’s an example taken from page 147 of Chemical Principles, by Steven S. Zumdahl, Cengage, 2009 (although I am not trying to single out this author … Read more