Harnessing the oloid shape in magnetically driven robots to enable high-resolution ultrasound imaging. - Nikita J. Greenidge; Benjamin Calmé; Alexandru Moldovan; Bartas Abaravicius; James W. Martin; Nils Marahrens; Jon Woolfrey; Bruno Scaglioni; Damith S. Chathuranga; Srinjoy Mitra; Sandy Cochran; Pietro Valdastri (Sci. Robotics, 2025)