A peek under the hood at Sportvision
Pinpointing the racers during a NASCAR event requires a team of engineers and producers, and some cool military technology.
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1. The black box
The heart of the RACEf/x system is a GPS device, a modem, and an inertial measurement unit first used in smart bombs.
By Jeffrey M. O'Brien
NEXT: 2. Locked and loaded
Last updated October 15 2008: 12:17 PM ET
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