A fusor is a small device capable of fusing small amounts of deuterium ions. It does so by heating up these ions using an electric field inside a vacuum. As the ions are accelerated towards the center, the chances of two ions colliding and producing fusion increases.

A picture of IEC fusion of deuterium ions. Taken from: https://en.wikipedia.org/wiki/Fusor

CNES is planning to build one starting next semester! If you are interested please join our discord and mention that you want to join.