the microwave oven.
i think this is some sort of cosmic joke. it doesnt really make sense. you put the thing in the middle. it turns around on the little plate. tada!. it bings. you cant see the heat. no flame. no gas. no element. it cooks from the inside out and you cant put metal things in it or eggs.
gods playing a joke. of all the appliances in the white goods family, its the black sheep.