Scientific American Magazine Vol 266 Issue 3

Scientific American Magazine

Volume 266, Issue 3

You are currently logged out. Please sign in to download the issue PDF.

Features

Building a Market Economy in Poland

How is a previously centralized economy to be transformed? Poland's experience thus far offers lessons for other Eastern European nations and a challenge for the West

Jeffrey Sachs

The Patch Clamp Technique

A simple procedure can easily isolate ion channels on cell membranes. Its Nobel Prize-winning developers explain what the technique has revealed about cellular signaling

Bert Sakmann, Erwin Neher

Textures and Cosmic Structure

Particle physics theories offer new clues to the origin of structure In the universe. The authors propose that primordial field defects known as textures seeded galaxies and galaxy clusters

David N. Spergel, Neil G. Turok

Why Aromatic Compounds are Stable

Molecules containing benzenelike rings survive intact over geologic time and even persist in the harsh environment of nebulae. Researchers can now mathematically describe the reasons for the exceptional stability

Jun-ichi Aihara

Spider Webs and Silks

Spiders' silk and web designs are governed by the same rules and constraints that apply to human materials science and structural engineering. So spiders may be able to teach us a thing or two

Fritz Vollrath

Infrared Video Cameras

Similar to home video cameras, these devices can see thermal radiation. This emerging technology offers a host of applications, including night vision, visualization of heat flow and medical analysis

Jerry Silverman, Jonathan M. Mooney, Freeman D. Shepherd

The Gundestrup Cauldron

An enigmatic bowl found in Denmark 100 years ago has been variously attributed to the Celts, Germans and Thracians. Recent analysis challenges such judgments and the theories on which they are based

Timothy Taylor

Catching the Wave

Scientists hope to explore the nature of gravity and the frontiers of the universe by detecting gravitational waves. The U.S. government has promised them $211 million to build two kilometer-size detectors. Will they succeed?

Russell Ruthen

Departments

Errata

Letters to the Editors, March 1992

50 and 100 Years Ago: March 1992

Reflecting Differences

Tuning in Hot Signals

Relative Hunger

Unlikely Places

Pointing Fingers

Going through Proper Channels

Trojan Horse

Volcanic Disruption

Add Ozone to the Global Warming Equation

The Lonely Odysseus of Particle Physics

Holey Silicon

Executive Fix

Vested Interests

Drag Race

Objective Data

Getting Out the Bugs

Disarming Developments

Seeing Infrared

Book Reviews, March 1992

Women and Aids