A controlled fusion reactor that is constructed using two opposing bowl-shaped magnetic arrays that are covered by U.S. Pat. No. 8,638,186 B1 by the same inventor. The opposing bowl-shaped magnetic arrays are contained within a chamber under a high vacuum level and can be fed a controlled amount of a gas, such as hydrogen. Electrodes located in the bottom of the bowl-shaped arrays and the conductive screens surrounding the rim of the bowl-shaped magnetic arrays are supplied with high-voltage electricity which causes a high-velocity jet of plasma to be ejected from each opposing bowl-shaped magnetic array. The construction of the fusion reactor is such that the plasma jets collide in the middle of the reactor between the two bowl-shaped magnetic arrays. An additional element, such as boron, is fed to the reactor when the goal is the fusion of elements such as hydrogen and boron.