So in order to make them fuse, you have to throw them at each other with great speed, and if they have enough speed, they will go against the repulsion, they will touch, and they will make energy.
Per farli fondere, bisogno scagliarli l'uno contro l'altro  ad altissima velocità, e se sono veloci abbastanza, supereranno la repulsione, si toccheranno, e creeranno energia.