February 2008 Opinions

Wi-Fi Cloud Hovers Over Salt Lake City

Researchers map the invisible geography of wireless networks

The Erasable Holographic Display

New three-dimensional holographic material can be written and rewritten indefinitely, paving the way toward 3-D movies

Reengineering the Prosthetic-Arm Socket

To create the next generation of prosthetic arms, Dean Kamen had to reinvent the prosthetic socket

Learning From Katrina: Pearlington, Miss., Struggles to Rebuild

A small town on the Mississippi Gulf Coast must revamp its water system in the wake of Hurricane Katrina

Detroit Auto Show: Diesels Turn Green and Ecofriendly

Hybrid cars took a backseat to diesels, and GM went on an eco-offensive, but pickup trucks were still the big deal at the Detroit auto show

Dean Kamen's "Luke Arm" Prosthesis Readies for Clinical Trials

DARPA may decide the fate of Dean Kamen's next-generation prosthetic arm

Dispatch From Down Under

Travel Tips

Get more out of business trips by applying project-management skills

A Plug-in Motorcycle

Brammo's Enertia puts bikers on the grid