Like multicore computer chips, Android smartphones, and Starbucks coffee, LCD TVs are getting cheaper—and bigger—all the time. Inevitably, your brother-in-law’s new 55-inch TV cost less than the 48-inch model you bought two years ago. Why? Science! See, flat-panel displays are made by machines that print arrays of circuits on sheets of glass and then slice those sheets into screens like high tech brownies.… Read the rest