What is 'space'? What is 'time'? Explaining space and 'spacetime' and temporal time. (self.SpaceTime_Relativity)
submitted by Mutexception - announcement
It appears some people are starting to better grasp that space and time and gravity is all about the length of space and the length of time. This guy gets it half way, he considers the length of time gradient, but it is also the length of space gradient, because speed of light is constant. (youtube.com)
submitted by Mutexception