Plank′s Theory-Duality and M-Theory
Cui Jia · 2002
The birth of Plank's theory in 1900 indirectly brough t up the theory of relativit y and directly lead to quantum mechanics.The discovery of duality caused the the o ry of super string theory developed at the and of 20 th century to tend to become a unified theory,i.e.M theory.Plank's theory?Duality can be called a sp an across a century.