Who was Sir Isaac Newton ?

Born in England in 1643, Sir Isaac Newton （牛頓） was regarded as one of the greatest figures in the history of science. He was the person who discovered gravity （地心吸力） and the three laws of motion （運動定律）. His work shaped much of the modern world’s understanding of physics （物理學） and mathematics. Even Albert Einstein said that Isaac Newton was the smartest person that ever lived. Newton explained the ...Read More