Table of Contents

In This Issue

Neural Hardware for Vision
by Carver A. Mead
A "retina" on a semiconductor chip simulates neurobiological processes.

What's Right, What's Wrong with U.S. Science?
by Marvin L. Goldberger
Caltech's president comments on the prosperity of American science but warns that problems could lie ahead.

Golden Anniversary for E&S
The magazine first appeared in June 1937, founded by a dedicated group of alumni.

Prohibited Words: Literature and AIDS
by John A. Sutherland
Art and literature have dealt with past epidemics by aestheticization or silence. Are we in for a new period of censorship?


Research in Progress
Core Temperature
Clouds, Not Comets

Random Walk