[muffaletaman]

Likewise the importance that as near as it can be measured, inertial mass and gravitational mass are exactly equal.

In the supposed experiment measuring the weight of an object suspended over a rapidly spinning superconducting disk, and finding the claimed finding that weight of the object is lessened...

(1) either a repulsive electromagnetic effect is generating a force upward... normal action/reaction is occuring, nothing more...

(2) or a method of shielding the gravity field is being generated, which if true can be engineered into a warp drive someday allowing interstellar travel vis-a-vis star trek (i.e. if gravitational mass and inertial mass can be caused to become different and the difference manipulated, then perhaps an inertial bubble can be created, and the bubble accelerated by a generated polar flux in the universal G-field - one direction of the entire universe attracts, the opposite direction repulses. Thus, though the object within the bubble never exceeds local light speed within the bubble, the bubble itself can be moved at warp speeds, multiples of the speed of light)...

(3) or... (fill in the blank yourself...)

[Mr. Mojo]

Very clear explanations. Thanks.