**Authors:** Fu Yuhua

The special theory of relativity and general theory of relativity have three basic shortcomings. First, the special and general theory of relativity respectively have two basic principles, altogether have four basic principles in the interior of relativity, these obviously do not conform to the truth uniqueness; Second, for the two basic principles of special theory of relativity and the two basic principles of general theory of relativity, no one is generally correct; Third, establishing the physical theory from the mathematics principle instead of the physical principle. In this foundation, presents the applicable scopes of special and general theory of relativity. Points out some wrong results caused by the theory of relativity (including the Lorentz transformation), such as the problems that the sonic speed in vacuum permanently is equal to zero, the twin paradox that the two brothers' state of motion are quite same, and so on. Proposes that taking law (principle) of conservation of energy as the interdisciplinary grand unified theory to unified process all the problems related to energy in physics, astronomy, mechanics, chemistry, biology, medicine, engineering and so on; taking the unified variational principle for quantization in dynamic Smarandache multi-space and the fractal method as the interdisciplinary grand unified method; and taking the "science of conservation of energy" to replace or partially replace the theory of relativity.

**Comments:** recovered from sciprint.org

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[v1] 8 May 2008

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