THERE must be very few students of advanced physics who are unaware of the contents and scope of Richtmyer‘s important book. The appearance of the fourth edition is indeed most welcome and a matter of ...

Students learn how sound waves are produced and transmitted. Students learn how sound waves are produced and transmitted and how frequency is related to pitch. The speeds of sound in different media ...

HERE is a readable book, excellently translated, for which we have again to thank Mr. H. L. Brose. Though it is called an introduction to the theory of relativity and gravitation, it is more strictly ...