Foundation of classical physics The motion of object The length of general object What is difference between moving body's length and resting body's length The physical meaning of the principle of equivalence The relativity of Cartesian coordinate The cause of day and night Doppler Effect Scenabro Effect What is point? Euclid's Geometry The limit of Newtonian mechanics was overcome by the theory of relativity. The condition of Science .

. . . . What is the nature of light? Light has Wave-Particle Duality. Scientist debated whether light are streams of particles or waves. During the 200 years, the argument about the nature of light had divided the scientific community because at times light behaves as a particle, and at other times as a wave. If so, why light has the Wave-Particle Duality ? Is there the mathematical and physical formula, expressing the wave-Paricle properties. If you think modern physics and find the answer, maybe you can become a very famous physicist.

Foundation of modern physics The principle of length theory The universal force and relative force Science and Effort, Creation The de Broglie hypothesis Home The photoelectric Effect. Heisenberg Uncertainty Principle blackbody and Planck's constant The History of cosmology What is the dark? Why the Big Bang is wrong?

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