The best place to begin is with Einstein, who revolutionized understanding of gravity and said “time and space and gravitation have no separate existence from matter” (this must include matter's electric charges and magnetic poles). Following the introductory paragraphs, Einstein's theory that gravitation is a push created by the hills and valleys of curved space is recalled and there’s a paragraph explaining the Krasinsky/Blumberg astronomy paper in terms of gravitational waves being a repelling force, with a brief explanation reconciling this repulsion with gravity’s apparent attraction. Believing everything from the quantum to the cosmic is intricately united, I shift to discussion of gravity, the ocean tides and cosmology. Then the final paragraph says gravitational waves move in two directions. Since gravitation forms matter and its forces, the dualism naturally extends to the electromagnetism of particles, resulting in electric charges that are positive or negative (combination of these two produces neutrality) and magnetic polarities being either north or south.