Photographer and researcher Ismet Smaili (Ismet Smaili) discovered a mysterious artifact in the mountains on the territory of Kosovo. This object externally is an unusual stone with an integrated electromagnetic coil.

And the coil of copper wires is not simply inserted into the cut groove, but it makes up a whole with the stone, as if the stone was melted, and then gave it the necessary shape to create a transformer.

In addition to the stone, the coil with copper wires, the artifact contains an insulator whose composition differs from the surrounding material and having convex bands in a circle resembling a carving and it is also fused into a stone, like the coil itself, and on the other side of the stone, there are 4 Symmetrically located openings, which most likely represent holes for wires and collect energy received from the transformer (phase).