Space and time are related because they are composed of intervals. But there is a big difference between these intervals. The components of intervals are extremes and extension. In space, the components are coexisting, and in time, the components are sequential. In space, intervals can be horizontal, vertical, and transverse. In time, they are only sequential.
Also, in space, intervals are reversible, but in time, they are not. The space-time of relativity was a mathematical trick by Albert Einstein to demonstrate that gravity is not a force and that Isaac Newton was wrong about his theory of gravity. Einstein reasoned based on the equation V = d/t. Einstein isolated time from the equation. Time is relative, but space and time are independent.
Einstein was right about special relativity, but not about general relativity.
Elvis Sibilia, Florida, United States
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