Do you really understand Einstein’s theory of relativity? – BBC News

Do you really understand Einstein’s theory of relativity? – BBC News

Albert Einstein’s theory of general relativity completely changed the notion of the Universe. It shed light on the birth of the universe, planetary orbits and black holes. It also has very practical uses, like in GPS navigation. But what exactly is this theory and why was it so revolutionary? Until the early 20th Century, physics […]

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