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 all observers, no matter their motion. The speed of light is thus the “speed limit” of the universe.

theory-of-relativity_149024.docx

Theory of Relativity

theory-of-relativity

Let's do English ESL general reading comprehension. Einstein came up with his first theory of relativity, called the theory of special relativity, in 1905. It r…