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[Homework]【整理】20120326 阿尔伯特·爱因斯坦 Einstein—6
But Einstein wants to understand the real world, and the real world doesn't work that way. Einstein realized that his theory failed for accelerations. But in our universe, everything accelerates, on a bumpy road, jet airplanes, on a subway car, everything's accelerating. So there was a defect in Special Relativity.
On Einstein's imaginary journey, if his speed varies at all, his theory, his notion of how objects behave in time and space, falls apart. His scientific mind wants it to apply to all the cases. Einstein knows that for his theory to work, it has to account for everything in the universe, and that includes the pervasive and invisible force that holds everything together.
Gravity, gravity is everywhere. Gravity holds us to the floor, gravity holds the sun together, the solar system together. Where was gravity in Special Relativity? Einstein wants to expand his Special Theory Relativity into a General Theory of Relativity, a theory that will explain not just time, but also gravity. He realizes he will be fighting more than two centuries of scientific thought, and his hero Sir. Isaac Newton.
It's 1907, and the 28yearold Albert Einstein is still a patent office bureaucrat. It has been two years since he published his Special Theory of Relativity, and the ambitious Einstein decides to advance even more radical interpretation of the universe, a general theory of Relativity. Doing this will require him to take on his scientific hero, Sir. Isaac Newton.
In Einstein's time, Isaac Newton was God. Newton was the founder of modern science. This is the actual first edition of Newton's Principia Mathematica of 1687. This priceless artifact is the very very famous book which became the foundation of universal physics for centuries until Einstein upset the apple cart. It has been almost 250 since the apple fell from the legendary tree on Isaac Newton's estate,giving Newton the inspiration to formulate his Law of Gravity.
Newton said that if an object falls, it's because there's a mysterious force called gravity, pulling
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