The sixth Dimension Author: MOHAMED AHMED ABOUZEID STEM LUXOR-EGYPT https://orcid.org/0000-0002-5836-7871 mohamed.abouzeid@stemluxor.moe.edu.eg 0201014419135 ABSTRACT Assume mass and electric current are Fifth and sixth dimensions in Special Relativity and Redefinition of the point as a circle. According to Einstein's first hypothesis only ,it can be reached to transfer formats between reference frames in the special theory of relativity Keywords The fifth dimension, the sixth dimension, Introduction Redefinition of the point Redefinition of the point as a circle the length of it the radius Equal the length of the Planck   SO  1 =  1 √1 −  2  2 (1 − (   2  1 2 )  1    1 = √ 1 2 −  2  2 (  2 )  1 =  1 √1 −  2  2 (   2  1 2 )  1 =  1 √1 −  2  2 (1 − (   2  1 2 ) contribution Consider two observers  ,  in both frames  1 , 2 At first  1 =  2 =0