Barus and Holley is home to the Department of Physics and the School of Engineering. Built in 1965, the 7-story structure includes 117 laboratories, 150 offices, 15 classrooms, 29 laboratory classrooms, and 3 lecture halls. Prince Laboratory, built in 1962, is a two-story brick and concrete building that provides room for research, a machine shop, a wind tunnel and offices, and the later addition of Giancarlo Labs in 2001 added more laboratory and research space. The new Engineering Research Center addition recently opened its doors in October of 2017. Barus and Holley is home to the Nurmikko Lab.