Relativity, wide-ranging physical theories formed by the German-born physicist Albert Einstein. Special relativity is limited to objects that are moving with respect to inertial frames of …

Dec 17, 2025 · special relativity, part of the wide-ranging physical theory of relativity formed by the German-born physicist Albert Einstein. It was conceived by Einstein in 1905. Along with …

Dec 18, 2025 · general relativity, part of the wide-ranging physical theory of relativity formed by the German-born physicist Albert Einstein. It was conceived by Einstein in 1916. General …

The answer is that Newton’s theory violates special relativity, for it requires an unspecified “action at a distance” through which any two objects—such as the Sun and Earth—instantaneously …

According to relativity, time runs more slowly on her spacecraft than on Earth; therefore, when she returns to Earth, she will be younger than her Earth-bound sister. But in relativity, what one …

Ethical relativism, the doctrine that there are no absolute truths in ethics and that what is morally right or wrong varies from person to person or from society to society.

RELATIVITY meaning: a theory developed by Albert Einstein which says that the way that anything except light moves through time and space depends on the position and movement …

RELATIVISM meaning: the belief that different things are true, right, etc., for different people or at different times

Since the republication of Whorf’s more important papers in 1956, the thesis that language determines perception and thought has come to be known as the Whorfian (or Sapir-Whorf) …

Einstein came up with his first theory of relativity, called the theory of special relativity, in 1905. It revealed that no material object can ever travel as fast as light, which has a constant speed for …