TY - BOOK AU - Feynman,Richard P. TI - Six not-so-easy pieces: Einstein's relativity, symmetry and space-time SN - 9780713992632 U1 - 530 FEY PY - 1998/// PB - Allen Lane KW - Physics N1 - Includes index N2 - These Six Not-So-Easy Pieces are drawn from Feynman's celebrated introductory course of lectures on physics, delving into the most revolutionary discovery of 20th century physics - Einstein's theory of relativity ER -