The following crafts editor is going to introduce an interesting small technological production, which uses the principle of like poles of magnets to repel each other to make a magnetic levitation windmill.
1. Material preparation: six ring magnets, a milk carton, a beverage bottle cap, and a pencil.
2. Production steps: Cut four narrow slits on the milk carton, which must be symmetrical, and embed the four ring magnets in them. If they are not strong, you can use glue to glue them, punch a hole in the center of the beverage bottle cap, and fix it on Thread the remaining two ring magnets on the pencil from one end of the milk carton
3. Adjust the position of the ring magnet appropriately so that the two ring magnets on the pencil are facing the four magnets on the milk carton. Put the tip of the pencil into the small hole in the drink bottle cap to see if it can levitate. If it doesn't work, adjust the distance between the bottle cap and the first set of magnets
