Welcome to the Department of Mechanical and Nuclear Engineering at Penn State. With more than 50 faculty members, 330 graduate students and 1,000 undergraduate students, our department is one of the nation’s largest and most successful engineering departments. Our faculty are actively involved in providing a hands-on experience in highly relevant research areas, such as energy, homeland security, biomedical devices, and transportation systems. We offer . degrees in mechanical engineering and nuclear engineering as well as resident (., .) and online (., .) graduate degrees in nuclear engineering and mechanical engineering.