Features Table of Contents

February 1999

feature articles

advances in the skin trade
Bioengineers are growing living artificial tissue to repair the damage from burns and chronic wounds.

upgrading the old turbine
Modern controls and instruments bring aging engines a new standard of reliability.

from the crystal palace to the pump room
Centrifugal impellers have a long history in theory, and research is far from done.

touching the right nerve
Fly- and roach-size micromechanics probe some of the world's most successful motion control systems.

it's all in the packaging
An electronics manufacturer cuts a product's costs in half by redesigning the box.

in for the long haul
Giving new meaning to "data highway," a vehicle components maker monitors its products in a 24,000-mile test.

using shearography to find the flaws
Digital speckle shearing interferometry uses a CCD camera and computer image processing to produce the fringe patterns that spell trouble in composite panels and pipes.