GM Jackson Physics and Mathematics

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...

Let's start with a simple idea and expand on it. Imagine you have a total energy (E) and you subtract from that the energy of the stron...

The mass density of the universe is around 7E-22 kg/m^3. The mass density of space at the Planck length is around 5.177E96 kg/m^3! Accordi...