From the HPCC-Space GmbH (High Performance Computing and Communication for Space) site:
A comprehensive lecture series on the Introduction to the Physics of Gravity-like Fields (120 color slides) in pdf format may be purchased from the www.hpcc-space.de site here.
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This course provides a step by step introduction with detailed explanation for a thorough orientation in the field of both theoretical and experimental breakthrough propulsion physics and energy generation, derived from the novel concept of gravitational engineering. The physics issues are presented with little mathematics, but are illustrated by numerous diagrams in order to give the reader a chance to progress in this field from the popular to the expert level.