Table of Contents

Random Walk

The Dawn of the Computer Age
by Irving S. Reed
Back when vacuum-tube computers filled entire rooms, a group of young bucks working for the Northrop Corporation built one that fit on a coffee table.

The Social Brain
by Ralph Adolphs
Tell me where are emotions bred: Or in the heart or in the head? How begot, how nourished? "With gazing fed," a neuroscientist replies. "It is engendered in the eyes." Shakespeare was closer to the mark than he knew.

A Nice Place to Visit?
by Douglas L. Smith
Enceladus, a tiny moon of Saturn, is spewing geysers of ice and water to a height of its own diameter. What else lurks beneath its frozen surface?


Obituaries: Ronald F. Scott