![]() ![]() The water evaporates into steam which turns a turbine, which in turn drives a generator to produce electricity. Since the 1930s, scientists have known that the Sun and other stars generate their energy by. The use of nuclear fusion reactions for electricity generation remains theoretical. The kinetic energy of the neutrons is harnessed by the nuclear reactor and used to heat water. fusion reactor, also called fusion power plant or thermonuclear reactor, a device to produce electrical power from the energy released in a nuclear fusion reaction. The reactor is covered with a thick concrete shield to ensure that no radiation is able to penetrate through and escape the reactor. In fission, an atom is split into two or more smaller, lighter atoms. To stop this happening, the reactor contains control rods, usually made of boron, which absorb some of the extra neutrons so that only a single neutrons is released per fission event. Nuclear fusion and nuclear fission are different types of reactions that release energy due to the presence of high-powered atomic bonds between particles found within a nucleus. It is important that the chain reaction doesn’t get out of hand, otherwise the reactor could explode. These neutrons hit other nuclei in a chain reaction. When a neutron is absorbed by a nucleus, it undergoes a fission event, breaking apart into two nuclei and two or three neutrons. Fission only works if the neutron is moving slowly enough to be absorbed by a nucleus so nuclear reactors contain something called a moderator, usually made of graphite, which reduces the speed of the neutrons, making them more likely to be absorbed by a nucleus. On December 5, an array of lasers at the National Ignition Facility (NIF), part of the Lawrence. Lawrence modeled the calutron after his earlier device: the cyclotron, a particle accelerator that 'shoots' particles in a circular path. Fission is used in nuclear reactors to produce energy. For the first time, a fusion reactor has produced more energy than was used to trigger the reaction.
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