A Florida startup just unveiled the world's first full-scale 3D-printed nuclear reactor module, a ceramic sphere with 2-millimeter channels winding through it in a shape no lathe on Earth can cut, designed so it physically cannot melt down: cut the neutron supply and the reaction simply stops

A Florida startup just unveiled the world's first full-scale 3D-printed nuclear reactor module, a ceramic sphere with 2-millimeter channels winding through it in a shape no lathe on Earth can cut, designed so it physically cannot melt down: cut the neutron supply and the reaction simply stops