Recent content by Sammyg

I know all object in space have orbits and orbits can be changed but is it possible for rocket or a spacecraft to travel in a straight line.

If diamonds are made of carbon? and coal is made out carbon, why are diamonds transparent and coal is not transparent?

I read an article on the internet about an experiment that took place pertaining to teleportation. I just wanted to know if anybody knows if this is science fiction or is it Mathematically possible.

General Relativity has always fascinated me and I understand how the fudamentals of the so called fabric of Spacetime work, but never do I hear from anybody what the fabric of Spacetime is made out of. Is it some other type of natural force and if so is it related to the 4 fundamental forces.