You probably use your microwave every day, if not multiple times a day. You cook oatmeal, reheat your coffee, nuke those dinosaur chicken nuggets your kid eats; the list goes on. But how often are you ...

Open your microwave and give the turntable a good once-over. Is it sparkling clean? If your answer is "yes," give yourself a round of applause. If your answer is anywhere from "there are a spot or two ...