Conclusion
The Theory of Relativity showed that absolute time had to be replaced by a new absolute: The Speed of Light. General Relativity is used to model the behavior of an entire universe. Special Relativity shows us that time and length are not absolutes. Through many test, General Relativity was proved or has passed many tests. Einstein also helped by one of his most famous work and equation, E=mc2, which like the Theory of Relativity changed the world by giving a better understanding of how