Loki stood by, waiting for Geo to show what his invention would do. When he did and explained what it could do, and that Geo had made it himself, Loki became a whole lot more interest, and almost glad that he had stuck around, rather then left when contemplating to do so.
"You made that yourself, you say? That is quite a accomplishment. Is this what you were refering to when you mentioned something that could change the world?"