Penn Physics Professors Lecture for Public at Franklin Institute

From smart lighting, mobile connectivity and underwater communications, to aviation, defense and security, the countless applications of light have revolutionized society. Explore some of the newest ways in which light is becoming an indispensable part of our lives. Professors Ravi Sheth and Arjun Yodh lectured about light at the "Why Light Matters" event at the Franklin Institute Oct. 27. To see their talks and the full program, go to