===Applications===
{| class="wikitable"|-|[[File:SmokeDetector.png|center|600px]]|-| style="height:20px; width:600px; text-align:left;" |In a smoke detector [[Alpha Particle|alpha particlesNeutron]] s are released between two [[electrode]]s. When the used to stimulate [[Alpha ParticleNuclear Fission|alpha particlesnuclear fission]] in both [[Ionising RadiationNuclear Reactor|ionise]nuclear reactors] the [[molecule]]s in the [[air]] the [[ion]]s move between the [[electrode]]s and a [[Electrical Current|current]] flows in the [[circuit]]. When smoke gets between the [[electrode]]s the [[ion]]s become stuck in large [[particle]]s of [[soot]] preventing them from moving. This stops the [[Electrical CurrentNuclear Bomb|current]] in the [[circuitnuclear bombs]]. The [[ammeter]] in the [[circuit]] is connected to an alarm which goes off when there is no [[Electrical Current|current]].|}