The resonator is almost perfectly symmetrical, made of nearly-pure glass. “This gyroscope is 1,000 times less expensive than much larger gyroscopes with similar performance.” The new resonator and electrodes, on a finger for scale. “Our gyroscope is 10,000 times more accurate but only 10 times more expensive than gyroscopes used in your typical cell phones,” says Khalil Najafi, professor of engineering at the University of Michigan and a professor of electrical engineering and computer science. A small, inexpensive, and highly accurate gyroscope could help drones and driverless cars stay on track without a GPS signal, researchers say.
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