Try to use multiple aspects of your brain at once when learning. One of the best "learn about learning" lessons I ever had was studying jazz theory. My teacher used a four-way method of learning chords - say the name of the chord, visualize it on the keyboard, feel the shape your hands make to play the chord, and listen to the sound of the chord. I've applied this sort of approach to all sorts of skills since then.
Go for a quick read, minus derivations. Then do the derivations in a slow read. For more thorough understanding of physics/math textbooks & research papers.
Solvio - Decentralized education system. Our mission is to build a P2P education system that will be equivalent to a formal education.
Primer Labs White Paper - Incremental approach for building an intelligent tutoring system using a dialog based agent.
LRMI specification - Collection of properties to describe educational resources.
Coursedog - All-in-One Schedule and Curriculum Planning.