Scientific American Magazine Vol 279 Issue 2

Scientific American Magazine

Volume 279, Issue 2

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Features

Fusion and the Z Pinch

A device called the Z machine has led to a new way of triggering controlled fusion with intense nanosecond bursts of x-rays

Gerold Yonas

Low-Back Pain

Low-back pain is at epidemic levels. Although its causes are still poorly understood, treatment choices have improved, with the body's own healing power often the most reliable remedy

Richard A. Deyo

Computing with DNA

The manipulation of DNA to solve mathematical problems is redefining what is meant by computation

Leonard M. Adleman

Monitoring and Controlling Debris in Space

The path from Sputnik to the International Space Station has been littered with high-tech refuse, creating an environmental problem in outer space

Nicholas L. Johnson

A Quarter-Century of Recreational Mathematics

The author of Scientific American's column "Mathematical Games" from 1956 to 1981 recounts 25 years of amusing puzzles and serious discoveries

Martin Gardner

Irrigating Crops with Seawater

As the world's population grows and freshwater stores become more precious, researchers are looking to the sea for the water to irrigate selected crops

Edward P. Glenn, J. Jed Brown, James W. O'Leary

Microdiamonds

These tiny, enigmatic crystals hold promise both for industry and for the study of how diamond grows

Rachael Trautman, Brendan J. Griffin, David Scharf

The Philadelphia Yellow Fever Epidemic of 1793

One of the first major epidemics of the disease in the U.S., it devastated America's early capital. It also had lasting repercussions for the city and country

Kenneth R. Foster, Mary F. Jenkins, Anna Coxe Toogood

Departments

Believing Your Eyes

Letters to the Editors, August 1998

Errata

50, 100 and 150 Years Ago: Spelling Bee, Daily Grind and Aboriginal Boomerang

Deadly Secrets

A Massive Discovery

Beyond Physics

In Brief, August 1998

Hoop Genes

Food for Thought

Bright Lights, Big Mystery

Amphibians at Risk

An Express Route to the Genome?

Trade Rules

The Other Computer Problem

Look for the Union Label

Access Denied

Building a Consciousness of Streams

Monks, Blobs and Common Knowledge

Reviews and Commentaries: America's Industrial Comeback

The Left and the Right

Tick Tock

Scuba Regulators--Working Knowledge