The ingredients are always the same, neodymium magnets, copper coils, AA batteries and aluminum foil. With these few things you can do many of amazing homopolar motor variants.
Volocopter VC200
The Hyperloop is a conceptual high-speed transportation system originally put forward by entrepreneur Elon Musk, incorporating reduced-pressure tubes in which pressurized capsules ride on an air cushion driven by linear induction motors and air compressors.
