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The earliest gyroscope-style instrument was written about in 1817 and electric motors in the 1860s lead to the first indefinitely spinning gyroscopes and the gyrocompass. Nowawdays, we've harnessed the power of the gyroscope in our iPhones and gaming systems (Wii Motion Plus and Nintendo 3DS.) Oh... and airplanes use them. But you can't shouldn't play with airplanes. At least that's what our parole officer tells us...