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Uploaded on Mar 13, 2009
The gyroscopic effect is demonstrated with a battery-powered gyro. When the gyro is not spinning it is really hard to pick up, but when it is spinning the precession makes it easier to pick up - but there is no weight loss. For more go to http://www2.eng.cam.ac.uk/~hemh/gyros... Thanks to Reka Domokos camera-woman