The sequence of development of quantum mechanics, summed up for IB students, from me:   (1) Hydrogen atoms emit a discrete spectrum of light.  This is our first…

a a Thermal physics provided the transition from macroscopic physics to microscopic physics, and electricity is all about electrons, so why are we backtracking now…

a I love physics, but I used to think this one topic, thermal physics, was boring.  I had to teach it twice before I understood…

a There are only four fundamental forces in physics, and in high school physics we will learn about three of them.  These forces are called…

4 Ways Tuition Is Done Differently at The Physics Cafe a a For secondary school and JC students, mugging the examination syllabus can sometimes feel like an…

a A force is just a push or a pull There are lots of ways to push or pull: Gravity pulls objects down toward the…