... this classi-cal vision in order to understand such large-scale phenomena as black holes, gravitationalwaves, and the final destiny of stars, pulsars,quasars, x-ray sources, and the universe ... techniques are an essential part of a physics education.Over the past two decades, the American Physical Society, the Ameri-can Institute of Physics, and the American Association of Physics Teachers,among ... attack a wide variety of prob-lems. A well-trained physicist is capable of moving quickly among differenttechnical areas, particularly into areas so new that they have not yet evolvedinto an...