... zoo or gasoline station; and arranging dinner reservations and theater ticket purchases. If an OnStar-equipped vehicle is in a crash that deploys an airbag, the car itself automatically "calls" the Center and an advisor immediately calls the vehicle to see what kind of assistance is needed. This transformation will bring with it many issues, and safety is one of the biggest ... in Cadillacs in 1996 as an emergency concierge and road service. It uses global positioning system (GPS) to provide directions and to locate the vehicle. A cellular connection to the call center enables driver to...

• Word Count: 2044
• Approx Pages: 8
• Grade Level: High School

... this time, when the GPS is connected to a single satellite, it cannot know its exact position. It knows only its distance from the satellite. The GPS is on a sphere whose center is the satellite. By performing the same synchronization with other satellites, the receiver can locate itself. The location of the GPS receiver will be at the intersection of the spheres ... ...

• Word Count: 1289
• Approx Pages: 5
• Has Bibliography
• Grade Level: High School