"It was Feynman's outrageous and scintillating method of teaching that earned him legendary status among students and professors of physics. From 1961 to 1963, Feynman delivered a series of lectures at the California Institute of Technology that revolutionized the teaching of physics around the world. 'Six Not-So-Easy Pieces', taken from these famous 'Lectures on Physics' represent some the most stimulating material from the series. In these classic...