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Last updated on April 21, 2014 at 1:20 EDT
Gyroscope Rotor
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Gyroscope Rotor

January 18, 2013
Stanford University Technician Larry Novak holds the gyroscope rotor. Coated with the super-conducting metal known as niobium, the gyroscope motor is contained in a special clean case in a clean room to avoid contamination. Image credit: Stanford University/Gravity Probe B