SUMMARY VIDEO OF A ELEGANT UNIVERSE
He came with his 3 laws. He explains that, there is pulling force and pushing force. Newton also explain that, the pull force all the particles towards the centre of the earth. He also gave us examples, trees fall because of two forces called pulling force and pushing force acting on the apple.
Green from Columbia. He said that, if light travels in high speed, gravitational disturbance will form the waves.
He came up with the theory of electromagnetic force. He said that when the light is moving, it creates dots and dash. Then gravity, electromagnetism and string were combined to form equation.
He explained that, everything in the universe is made up by strings. But Professor Steven said that, these strings vibrate in order to make all the constituents of nature. That is were the string theory began.
He was from Harvard University. During 1939 he said that, the gravity and electromagnetism are not the only one who describes how the universe works. For examples nuclear force and weak force are the other forces that describe how the universe works. He also said that, nuclear forces it consist of protons and neutrons.
He explains the theory of quantum mechanics theory. He said that, the universe is formed as a result of big bang; as a result the universe became small
Niels Bohr disagrees with Newton and Estein theory. He about the elements called atoms. Bohr came with a theory of quantum mechanics which explain the descriptions of how the universe works.
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