As I mentioned above, our attempts to explain gravitation with the help of radial acceleration have reduced in rather strange deductions. This strangeness consists in that, the Einstein's dependence of a mass on speed and deceleration of time it is possible to explain with the help of a vector velocity addition.
The speed of light in vacuum is constant. Experimental confirmation to this is the longitudinal Doppler effect.
In our model we have assumed a condition, that the longitudinal speed of energy in ring c' is equal also to speed of light c.
Let's research moving of the ring from the point of view of the stationary observer.
Apparently, that the ring can move rectilinearly only in the case when the axis of the ring is parallel to the direction of moving. In this case, according to a rule of addition of vectors, the speed c'^2=c^2-v^2, where v - speed of running away of the ring from the observer.
The rule of the vector velocity addition operates in all points of the ring equally and, as outcome it, we can watch in experiment the transversal Doppler effect.
If the axis of the ring to tilt on some angle to the direction of moving (for example, with the help of magnetic field), in two opposite halves of ring arises unbalance of speeds. In one half of ring the vector velocity addition yields the sign "+", in other half - sign "–".
Therefore, we again have the dipole of speed, but dipole of other sort. In experiment this dipole appears, as moving of charged particles in a curved trajectory.
The reduced speculative analysis, speaks that the observer cannot "see" the ring in experiment, if the speed of the ring becomes of equal speed of light.
This transition can be interpreted as a stopping of time inside of particle moved with speed of light, and as transformation of the gravitational mass of unmovable particle into "invisible mass" of moved particle, i.e. into energy.
On the other hand, it is possible to interpret transition of mass into energy as inversion of space - time or as inversion of the dipole of speed.