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![]() Pasadena CA (JPL) Aug 13, 2013 NASA's Mars Reconnaissance Orbiter is switching from one motion-sensing device to a duplicate unit onboard. The veteran orbiter relies on this inertial measurement unit (IMU) for information about changes in orientation. This information is important for maintaining spacecraft attitude and for pointing the orbiter's large antenna and science-observation instruments. The spacecraft has two identical copies of this motion-sensing device, called IMU-1 and IMU-2. Either of them can be used with either of the spacecraft's redundant main computers. Each contains three gyroscopes and three accelerometers. ... read more ![]() |
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Low-temperature combustion enables cleaner, more efficient engines ORNL finding goes beyond surface of oxide films Device for capturing signatures uses tiny LEDs created with piezo-phototronic effect Wireless devices go battery-free with new communication technique The Science of Photography BWRPLUS Formed to Leverage Synergy between Westinghouse and Toshiba Researchers Optically Levitate a Glowing, Nanoscale Diamond ![]() |
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