An announcement of the first laboratory measurement of the Gravito-Magnetic London Moment was made by the European Space Agency (ESA) on March 23rd, 2006. The laboratory work was performed at the ARC Seibersdorf Reseach organization in Seibersdorf Austria under the direction of Dr M. Tajmar, with theoretical support provided by Dr. C.J. de Matos at ESA-HQ in Paris, France.
 
What was actually measured? The first repeatable generation of a gravitational field in the lab. The effect was successfully reproduced over 200 times and is described in reference.
 
More specifically, a tangential acceleration field was measured on the inside of a rotating superconductor. The largest effect was during sharp accelerations and decelerations of the rotating superconductor. With a Niobium superconductor, the application of a tangential acceleration to the disk of 1500 rad/s^2 resulted in an acceleration field outside of the disk of 100uG, 30 orders of magnitude larger than predicted by classical general relativity. Signal to noise ratios of the accelerometers were better than 3:1, and differential signals (derived with reference accelerometers) were used for bias removal.
 
We can draw the following conclusions:

• A gravitational field has been created in the laboratory. It is 30 orders of magnitude larger than predicted by general relativity. If it is magnified another 4 orders of magnitude it will provide lift, i.e. field propulsion.
 
• A theoretical paper was also written that explains the effect in terms of a frame dragging field that is produced by the lagging of gravito-photons inside the bulk of the SC.
 
• The resultant gravitational field can extend to outside the superconductor, and may therefore be used to “engineer the vacuum” in a variety of useful ways, including communication and propulsion applications.