Best physics courses: How Things Work: An Introduction to Physics Understanding Einstein: The Special Theory of Relativity Understanding Modern Physics I: Relativity and Cosmology Introduction to Thermodynamics: Transferring Energy from Here to There Understanding Modern Physics III: Simplicity and Complexity Semiconductor Physics Introduction to Electricity and Magnetism Specialization Physics 101 - Forces and Kinematics and Mechanics: Motion, Forces, Energy, and Gravity, from Particles to Planets