Table of Contents

Letters

Books
Alumni Books:
The Ancient Engineers by L. Sprague de Camp
Matrix Methods for Engineering by Louis A. Pipes

Features:

Mountain-Building
A geophysicist comes up with a new theory to explain the processes of mountain-building and the mechanism by which ocean basins maintain their integrity, which are among the great interests and mysteries of geology.
by Graham Berry

Radio "Stars"—Explosions in Space
Further research on radio "stars" reveals that they are a valuable tool for cosmology and one of the most dramatic events in the evolution and life of a galaxy.
by Jesse L. Greenstein

Venus Observed

Campus News:

The Month at Caltech

Alumni News

Personals