After Hours

Photos: Crash-free Caddies

Two prototype Cadillac STS sedans outfitted with wireless antennae and computer chips, which allow the cars to communicate on the road. Global Positioning System antennae are the third component that completes the vehicle-to-vehicle V2V system, but GPS comes standard in the in-production Cadillac. All photos taken in the Pac Bell parking lot in San Francisco.

Stefanie Olsen

About Bill Detwiler

Bill Detwiler is Managing Editor of TechRepublic and Tech Pro Research and the host of Cracking Open, CNET and TechRepublic's popular online show. Prior to joining TechRepublic in 2000, Bill was an IT manager, database administrator, and desktop supp...