Table of Contents

High Temperature Superconductivity
by David L. Goodstein
A Caltech physicist explains what it's all about and what you can do with it—maybe.

Origami: Complexity Increasing
by Robert J. Lang
Paperfolding becomes more intricate as a new generation of scientists tackles an ancient art; fold-your-own Caltech beaver included.

Observing Earth From Space: The Greenhouse Effect
Earth-observing satellites watch for global changes.


Lab Notes: Eyeing the Dots

SURFboard: Murder by the Numbers

Books: Thinking About Science: Max Delbrück and the Origins of Molecular Biologyby Ernst Peter Fischer and Carol Lipson


Random Walk