> special means without accelerated reference frames That's something a lot of people say, but it's not strictly true. Special Relativity is fully capable of d

> special means without accelerated reference frames That's something a lot of people say, but it's not strictly true. Special Relativity is fully capable of describing acceleration in a flat (Minkowski) spacetime[1]. General Relativity is only really needed when there's curvature in the spacetime (gravity). [1] https://en.wikipedia.org/wiki/Acceleration_(special_relativity) https://en.wikipedia.org/wiki/Acceleration_(special_relativi...