About the book:
The author deals with a number of concepts appearing in the special relativity.
1) Experiments with two reference S1 and S2, Standing on each other, and an object in S1 in which events occur.
2) Experiments with two reference S1 and S2 Moving with constant velocity v>0 against each other, and an object in S1 in which events occur.
3) time dilation
4) Derivation of the Lorentz ...