Table of Contents

Books
Geology Field Trip to Southern California by Robert P. Sharp
Oscar Mandel's Collected Plays Volume 2

Letters

Features:

Energy Crisis

Geothermal Resources—Potentials and Problems

Harnessing the Sun

Controlling the Thermonuclear Reaction

Energy, the Environment, and Thermonuclear Reactors
by John Holdren

Message to the Milky Way

Now, About That Steam Car, Howard—
You've read the Irving version and the Phelan version...Here's the Daugherty version.

To Timbuktu—The Hard Way
The Clausers take a quick trip to the ends of the earth.

But it it Art?

Laszlo Zechmeister—1890-1072

Campus News:

The Month at Caltech