anomalous spinning

http://www.oswirus.krakow.pl/cat_14/gyroscope /
A symmetric harnessed gyroscope accelerated to a given spinning frequency takes different time periods to stop, depending on the
direction of previous spins. For repeated alternating, anticlockwise and clockwise spinning, the rotation period in both directions significantly increases, which is not the case when the gyroscope is repeatedly rotated in the same direction. Using the measurements it was observed, that the time of gyroscope's rotation was significantly lengthened or shortened, what indicates that it either increased or decreased the movement resistance of the gyroscope. The presented experimental results suggest the existence of anomalous movement resistance and demonstrate that a fixed spinning gyroscope displays unusual history-dependent movement resistance effects. The effect is real, large, reproducible and does not follow from experimental errors.
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On 27 Jul 2006 10:52:19 -0700, snipped-for-privacy@gazeta.pl wrote:

The protocol chosen differentially warms the wheel and its boundary layer, leading to reduced air resistance in the reversing case
Brian Whatcott Altus OK.
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Bearing wear?
Tom.
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