Make Peltier cooling wires at the same transistor size throughout the chip to cool the interior and dump all the heat on the outside. Peltier coolers are suppos

Make Peltier cooling wires at the same transistor size throughout the chip to cool the interior and dump all the heat on the outside. Peltier coolers are supposed to be inefficient, but when you need to cool the interior of a cube a few millimeters across you don't have many options.