Physics Textbook Available for Free Online

September 17, 2007 – Motion Mountain, an online-only Physics textbook written by Dr. Christoph Schiller, is available for free download. Recommended in The Physics Teacher and by the American Association of Physics Teachers, the text explores mechanics, thermodynamics, relativity, electrodynamics, quantum theory and modern attempts at unification, using examples and observations from everyday life to explain concepts. The website includes more than 500 animations and illustrations and 1600 challenges and puzzles that help teachers demonstrate physics concepts to students.