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The Theory of Relativity



The theory of relativity encompasses two theories of famous scientist Albert Einstein: special relativity and general relativity.

Concepts introduced by the theories of relativity include:

-Measurements of various quantities are relative to the velocities of observers. In particular, space and time can dilate.

-Spacetime: space and time should be considered together and in relation to each other.

-The speed of light is nonetheless invariant, the same for all observers.

Some, and to many most of the things that the theory of relativity introduces seem absolutely insane to many of those who hear it, although as technology advances more and more tangible evidence is being gathered to support the theory. In the field of physics, relativity catalyzed and added an essential depth of knowledge to the science of elementary particles and their fundamental interactions, along with ushering in the nuclear age. With relativity, cosmology and astrophysics predicted extraordinary astronomical phenomena such as neutron stars, black holes, and gravitational waves. However those are blogs of their own, so stay tuned.:love-struck:

Special relativity is a theory of the structure of spacetime and is based on two main principles:

-The laws of physics are the same for all observers in uniform motion relative to one another (principle of relativity).

-The speed of light in a vacuum is the same for all observers, regardless of their relative motion or of the motion of the source of the light.

General relativity is a theory of gravitation developed by Einstein in the years 1907-1915. The development of general relativity began with the equivalence principle, under which the states of accelerated motion and being at rest in a gravitational field are physically identical; something to which the simple mind would simply be insane. However when taken in to deep consideration, general relativity is really something interesting to think about.


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