Those of us who have been long-time football fans recall years ago seeing coaching staff treading the sidelines holding clipboards with sheets of paper flapping in the breeze. As players came back to the bench, the coaches would scribble out plays or flip through play sheets to diagnose what just happened out on the field.
Engineers are integrating thin, flexible electronics and sensors into belts, glasses, headgear, jewelry, shirts, shoes, watches and a wide variety of other products.
