Eric Walker added Gravity, Gizmos, and a Grand Theory of Interstellar Travel | WIRED to a number of topics

Eric Walker added Aesthetic Comparison of Einstein's and Whitehead's Theories of Gravity on JSTOR to a number of topics

Eric Walker added Aesthetic Comparison of Einstein's and Whitehead's Theories of Gravity on JSTOR and Gravity, Gizmos, and a Grand Theory of Interstellar Travel | WIRED to Ernst Mach, and added Ernst Mach to Physicists

Eric Walker added a number of topics to Physicists, and added Physicists to Scientists, researchers and academics and Physics