It is known since one century that nuclear energy is of the order of one million times more concentrated, in the same mass, than chemical energy.The radius of the atomic nucleus is, indeed, of the order of one million times smaller than that of a molecule....

I t is usually believed that there exists four forces like the four musketeers: gravitation, electromagnetic, strong, weak. The first two forces, gravitation and electrostatic are known since two centuries. The electric force is in 1/r² and 1/r for the...