The Sevvy oven is trying to reinvigorate microwave cooking, from four-minute cake to moist chicken and more. I'm not totally sold. David lives in Brooklyn where he's spent more than a decade covering ...

Like so many of the most banal tools of modern life—duct tape, tampons, canned soup, the Internet—the microwave oven was born from the industry of war. Its key element: magnetron tubes, tiny, ...