text: Unmanned automobiles have been on their way for a while. These developing autonomous vehicles are using some of the most advanced technologies to keep us away from harm. "In the 1980s automakers used speed sensors at the wheels in the creation of antilock wheels." (Driverless Cars Are Coming) The necessary sensors have been in devolopment for over thirty years with improvements along the way such as preventing skids or rollovers. These sensors make the cars easier to operate. Google's modified Toyota Prius has a plethra of new sensors attached to it. Of those, it contains a position-estimating sensor, four radar sensors, a video camera, a GPS reciever, an inertial motion sensor, and a spinning sensor on the roof of the car to make a 3-D models of environments surrounding the car. With all of the upgrades made to this machine, it is a much safer vehicle than it was before and it exerts its dominance in having an untarnished history on the road.