A gas powered incineration toilet is disclosed with a burner of the premixed full air type. In one embodiment, the interrogation system includes a database having prior knowledge about the object, and an interrogator that scans the RFID tag and discerns additional information therefrom about the object. The thermal conductivity of the waveguide, configuration of the heat sink and size and placement of the bulb may be selected to provide a brightness of more than 80 lumens per watt and a total brightness of more than 12,000 lumens at a power level of 150 watts. A focus of adjustable focusing optic is maintained at a nominal center of curvature of the aspheric surfaces. A plurality of electrodes are placed within the shielded region and configured so as to contact the nerve.