The Neutrino Series was and is, invented and created by Foaly the Centaur. The series includes various types of Neutrino Laser Guns, powered by miniature nuclear batteries (Neutrino 3000 is powered by "kinetics" and has a back-up nuclear battery) and therefore have no need to replenish ammo as most of them have a lifespan of greater than 1000 years. The Neutrino guns are platinum-plated and have different kind of modes or settings, which can be changed. Each setting is different from the others. The higher the mode is, the higher and more powerful the laser beam will become, and it will do and cause more damage, but be non-fatal and simply more painful to the target, though it might cause minor injuries. After The Arctic Incident and the B'wa Kell Rebellion, Foaly made a major improvement