Table of Contents

In This Issue


Arizona Speaks Up


The Hydrogen Bomb
Can it be made? Will it add to our national security? How effective will it be as a military weapon? How much more effective than the atomic bomb? Will the Russians be able to make it? Here are the answers to some of the questions most people ask about the H-bomb.
by Robert F. Bacher

Two New Particles
Caltech researchers re-discover two new elementary particles of matter—but, far from simplifying our understanding of nature, the discovery makes it even more difficult.
by C. M. Stearns

Campus News:

The Month at Caltech

Alumni News

The Beaver
by Jim Hendrickson, '50