Photos: Robot vehicles gather for DARPA race

Contestants gather at 6:30 a.m. Saturday for the start of the second annual Darpa Grand Challenge, a robot race in Primm Valley, Nev. Officials waited for the sun to come up before allowing the first car to begin in the 131.6-mile race.

Stefanie Olsen

By Bill Detwiler

Bill Detwiler is Editor in Chief of TechRepublic 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 support specialist in the ...