Google snaps up Waze to add to mapping service (Update)

Google is buying online mapping service Waze in a $1.03 billion deal that keeps a potentially valuable tool away from its rivals while allowing it to gain technology that could improve the accuracy and usefulness of its own ...

A tracking device that fits on the head of a pin

(PhysOrg.com) -- Optical gyroscopes, also known as rotation sensors, are widely used as a navigational tool in vehicles from ships to airplanes, measuring the rotation rates of a vehicle on three axes to evaluate its exact ...