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In the London Sunday Telegraph of 21 Sept. 1997, Robert Matthews
reports that a team of Japanese scientists have spun up a
gyroscope to 18000 rpm and dropped it through a distance of 63
inches in vacuo. The time taken to fall this distance was 1/25000
sec. longer than when the gyroscope was not spinning,
corresponding to a weight reduction of 1 part in 7000. The effect
only occurred when the gyroscope was spinning anticlockwise.
The Tolman-Stewart experiment (1916) showed that when a
conductor is "centrifuged" the electrons in the electron sea shift a
bit toward the "bottom of the test tube". Therefore, a spinning,
conductive top will be slightly negative on its perimeter, and
slightly positve at its center, and hence will have a magnetic field.
Could this be involved?