Speed cameras use multiple kinds of technology to get driver's speeds. But they're not perfect, and there are several issues ...

If you have even the slightest interest in microwave electronics and radar, you’re in for a treat. The Signal Path is back with another video, and this one covers the internals of a simple 24-GHz ...

Road safety is a critical concern in urban areas, especially around schools where children and pedestrians are highly vulnerable. Speeding motorists pose a significant threat to school zones, ...

Wayne Cunningham reviews cars and writes about automotive technology for CNET's Roadshow. Prior to the automotive beat, he covered spyware, Web building technologies, and computer hardware. He began ...