GM Jackson Physics and Mathematics

Was the universe once a singularity? If so, did it have infinite gravity? What forces overcame infinite gravity so our universe could e...

Perhaps you are familiar with some of the more exotic and far-out theories that attempt to explain why gravity is so weak compared to, say...

Step one: Beginning with Einstein's field equations, derive the Scharzschild radius (equation 13 below): Next, we call on P...

According to the textbooks, the principle of equivalence asserts that gravity and inertia are one and the same--not similar, proportionat...

Imagine you are driving down a lonesome highway. According to relativity theory, you could look at the situation in two ways: the highwa...