Professor H. L. Bray
                General Relativity, Einstein's theory of gravity that predicts black holes, the big bang, and the accelerating expansion of the universe

Special Relativity and General Relativity explained in an hour, using these slides.

Flatly Foliated Relativity: An elliptic theory of gravity, 2/3 of the way between Special Relativity and General Relativity, discovered in 2016 by Professor Bray

For a complete list of publications, grants, awards, and professional activities, visit Professor Bray's Duke University web page or view this computer generated curriculum vitae.