Changes

Relativity refers to two [[physics]] theories; general relativity (GR) and special relativity (SR), put foward by [[Albert Einstein]]. The Theory of Relativity is a geometrical theory of gravitation, while Special Relativity is a limited case. Einstein formed two postulates around which the theory is based:

Relativity refers to two [[physics]] theories; general relativity (GR) and special relativity (SR), put foward by [[Albert Einstein]]. The Theory of Relativity is a geometrical theory of gravitation, while Special Relativity is a limiting case. Einstein formed two postulates around which the theory is based:

# ''The [[speed of light]] is constant for all (inertial) observers, regardless of their velocities relative to each other.''

# ''The [[speed of light]] is constant for all (inertial) observers, regardless of their velocities relative to each other.''