What If is a Webby Award-winning science web series that takes you on a journey through hypothetical worlds and possibilities, some in distant corners of the universe, others right here on Earth." ...

(It’s just a matter of integrating Newton’s law of gravitation over the cube, but it gets a little messy.) If we want a cubical earth, with the same mass as spherical earth, we get L = 9340 km.

Not possible. Earth-scale gravity is so strong that a cube made of the strongest rock would soon be deformed into a ball. Define “soon,” said Una. Within a very short period of time, I said.

Rubik's Cube In Center Of Earth? Computer Simulations Support New Model Of Earth's Core Date: February 11, 2008 Source: Uppsala University Summary: Swedish researchers have presented evidence in ...