the discovery of significance (the former explains the movement of planets and the sun; the latter laid the foundations of Physics).著名科学家艾萨克·牛顿（1643年1月4日--1727年3月31日）生于英国，
Edison invented can not count, good, useful things for the people. He invented one very useful, or even change the world of goods. Without it, the whole world will enter the world of darkness. It is t
tonyxiaozb
