In Rochester and the surrounding region, a lot of hopes are being pinned on photonics. It was announced last year that Rochester would be home to an integrated photonics manufacturing hub. It’s all part of a $600 million public-private partnership with federal, state and private funding. But…what is photonics? What could its economic impact mean for our region and beyond? Innovation Trail reporter Sasha-Ann Simons explored these questions in a special report. And d area experts and leaders join Need to Know host and producer, Hélène Biandudi Hofer, to provide perspective on the jobs behind the numbers and much more.