The history of special relativity consists of many theoretical results and empirical findings obtained by Albert A. Michelson, Hendrik Lorentz, ...

In physics, the special theory of relativity, or special relativity for short, is a scientific theory of the relationship between space and time.

Tests · History · Postulates · Mass in special relativity

Physics is the natural science of matter, involving the study of matter, its fundamental constituents, its motion and behavior through space and time, ...

Branches · History · Physics education · Portal

General relativity is a theory of gravitation that was developed by Albert Einstein between 1907 and 1915, with contributions by many others after 1915.

Special relativity applies to all physical phenomena in the absence of gravity. General relativity explains the law of gravitation and its relation to the ...

The Einstein Theory of... · Principle of relativity · Simultaneity · Relativism

The history of quantum mechanics is a fundamental part of the history of modern physics. The major chapters of this history begin with the emergence of ...

77 (seventy-seven) is the natural number following 76 and preceding 78. Seventy-seven is the smallest positive integer requiring five syllables in English.

In physics, the principle of relativity is the requirement that the equations describing the laws of physics have the same form in all admissible frames of ...

The chronology of the universe describes the history and future of the universe according to Big Bang cosmology. Research published in 2015 estimates the ...

Hydrogen line · Ekpyrotic universe · Cosmic time · Reionization