Detector 2 (IMAGE) Johns Hopkins University Caption Eli Luong, Jennifer Hoi and David Huberdeau were part of an eight-member team of Johns Hopkins biomedical engineering students who developed a handheld detector to help surgeons find "lost" orthopedic screws. Credit Jay VanRensselaer/JHU Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.