Brewing experts reveal how ingredient quality, fermentation science, and modern technology are transforming light beer into a category worth drinking.Credit: Courtesy of Lunchbox Brewing Company, Long Island, NYMany of us have tried it. And, among those of us who have, I think we can agree rather conclusively that diet cake is inherently anathema to tasty living. After all, in life, there are moments for cake and moments for salad. It’s all abou…