The Ancient Engineers by L. Sprague de Camp
Matrix Methods for Engineering by Louis A. Pipes
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
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
The Month at Caltech