Six not-so-easy pieces
Subtitle: Einstein's relativity, symmetry, and space-time
By: Richard P. Feynman ; originally prepared for publication by Robert B. Leighton and Matthew Sands ;  introduction by Roger Penrose.
Publisher: Basic Books
Published: 1997
Place of publication: Reading, Mass
Language: eng
Number of pages: 152
Subjects: Symmetry (Physics); Special relativity (Physics); Space and time.
Notes: Previously published: Reading, Mass. : Addison-Wesley Pub., c1997.

Includes bibliographical references and index.