Einstein's Universe: How Albert Einstein's Vision Transformed Our Understanding of Space and Time (Spanish Edition)

In the universe of Einstein, Michio Kaku, an innovative theoretical physicist and author of the bestseller "Hyperspace", interweaves the life and work of Einstein in order to see the universe as Einstein did, providing a privileged insight into his way of thinking. Although his theories had enormous repercussions, Einstein really thought in terms of simple physical images - high-speed trains, falling elevators, rockets, and moving clocks. In fact, it was from two of these simple ideas that the crucial role of relativity in the movement of the universe arose. The first idea occupied Einstein's thoughts since he was sixteen, when he tried to imagine how a beam of light would look if he ran alongside it. The paradox of a stationary light wave would have ultimately led him to relativity and E = mc2, the famous equation that has unraveled the secrets of the stars. Einstein hit upon his second idea while reclining in his chair at the Bern patent office: "What would happen," he wondered, "if he and his chair fell?" This almost comical image led him to the idea that the structure of space and time is curved, dislodging Newton's mysterious "gravitational force." This idea, in turn, has allowed us to reach black holes and the Big Bang. Einstein's fruitless struggle to unify all the laws of nature stems from his failure to find a third idea. However, Kaku persuasively shows how many of Einstein's ideas from the later years of his career, previously dismissed as irrelevant to physics, have come to fruition in new fields of scientific research, new technologies, and several Nobel Prizes. Not to mention that the spirit of his quest lives on in string theory, the protagonist of the most current theoretical physics. Einstein remains one of the greatest and most esteemed scientists of all time, but his work and legacy have often been misinterpreted. Thanks to Kaku's insights and his ability to explain the densest scientific concepts in plain language, "The Universe of Einstein" provides a new and stimulating way to appreciate Einstein's life and ideas.

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