If these concepts aren't constrained by what is currently (or ever) possible, why not make it capable of spaceflight? Or teleportation? Or a "submarine mode" a

If these concepts aren't constrained by what is currently (or ever) possible, why not make it capable of spaceflight? Or teleportation? Or a "submarine mode" a la James Bond's Lotus? Supercapacitor body panels seems positively dull in comparison.