Nearly 500 seniors in the University of Arizona College of Engineering presented their design projects -- the culmination of nine months' labor and their equivalent of a thesis -- in the annual contest of Wildcat ingenuity known as UA Engineering Design Day, in the Student Union Memorial Center and on the UA Mall on May 3. http://news.engr.arizona.edu/news/ua-engineering-seniors-show-they-mean-business-design-day-2016