一提到二十世纪的伟人爱因斯坦，人们马上会联想到他的“光电效应”中的“光

Mention of the twentieth century the great Einstein, people immediately think of his "photoelectric effect" in the "light quanta" hypothesis, special and general relativity. The emergence of these theories and then the two are closely related classical theory: a theory of Newtonian mechanics is; one is Maxwell's theory of electromagnetism. Newtonian world, speed of light is not fixed; in Maxwell's theory, light is a wave motion at a constant speed.

When it comes to Einstein, the great man of the twentieth century, one immediately thinks of the "quantum light" hypothesis, special relativity and general relativity in his "photoelectric effect". The emergence of these theories is closely related to two classical theories of the time: Newton's theory of mechanics and Maxwell's theory of electromagnetism. In Newton's world, the speed of light is not fixed; in Maxwell's theory, light is an electromagnetic wave that moves at a fixed speed.

When it comes to Einstein, the great man of the 20th century, people will immediately associate his hypothesis of "photons" in "photoelectric effect", special relativity and general relativity. The emergence of these theories is closely related to two classical theories at that time: one is Newton's mechanics theory, the other is Maxwell's electromagnetism theory. In Newton's world, the speed of light is not fixed; in Maxwell's theory, light is an electromagnetic wave moving at a fixed speed.