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Relativity is a fundamental concept in both science and mathematics, which posits that physical laws are consistent across different inertial frames of reference. Developed by Albert Einstein, this theory encompasses two main aspects: Special Relativity, introduced in 1905, and General Relativity, formulated in 1916. Special Relativity fundamentally redefined our understanding of space and time by introducing the concept that they are interwoven into a single continuum known as spacetime. It postulates that the speed of light is constant for all observers and that time dilation occurs when objects approach the speed of light, leading to phenomena such as length contraction. General Relativity, on the other hand, extends these ideas by incorporating gravity into the fabric of space and time. According to this theory, massive objects distort spacetime around them, causing nearby objects to follow curved paths, which is interpreted as gravity in action. This has been supported by various observations including the bending of starlight around the sun and the gravitational redshift of light emitted from a source undergoing gravitational pull. In essence, relativity challenges our conventional understanding of physics, offering new perspectives on concepts like space, time, and motion, thereby opening up avenues for further exploration in both scientific research and mathematical modeling.