Dozens of senior engineering students from Old Dominion University will present their innovative and diverse projects at the 6th annual Batten College of Engineering and Technology Engineering Student Projects Expo (ESPEX) The event is scheduled for April 19 from 2 p.m. to 5 p,m. The projects encompass a wide range of topics. For example, one project is designed to monitor the health of an aquaponics system. Another project is a long-term collaboration with Super Radiator Coils, a Richmond