A zero-mass two-component theory for the neutrino and the existence of an intermediate boson W/sup plus or minus / are assumed. The scalar function, on which the matrix element of the electromagnetic current operator evaluated between states of a single neutrino depends, is calculated. A marked difference is found between the form factors, f(q/sup 2/), for nu /sub e/ and nu /sub mu / at small q/sup 2/ (where q/sup 2/ is the difference in the initial and final four-momenta of the neutrino squared). (R.E.U.) Electrons in the process of BETA decay were found to be longitudinally polarized. The mechanism by which a spin angular momentum of a polarized particle can be converted into macroscopic rotation of a body is considered. A layer of BETA activity on one end of a cylinder imparts a momentum M = (1/2)(v/c)(1/2)hN, where N is the number of electrons absorbed by the cylinder which acquires a rotational energy E = M/sup 2/ /2I, where I is the moment of inertia of the body. The value of E/N is only 10/ sup -18/ ev, but what is the source of the rotational energy? It is shown that the thermal energy of the cylinder is themore » energy source. If it is assumed that a beam of polarized electrons is completely depolarized, the thermal motion of the atoms of a body is partially convented to an ordered motion with a velocity v = OMEGA r, where OMEGA is the angalar velocity, and T = M/I. The decrease in entropy on converting thermal energy to rotational energy is DELTA S = -- (E/T) = - (N/sup 2//8IT), and change in temperature T is approximates 10/sup -18/ ev. However, a body with a rotational moment mu has an energy -- mu OMEGA associated with the coriolis field about a rotating body. As T yields 0 at very small values of T, the resulting coriolis field prevents the occurrence of further depolarization. (TTT)« less