Picospring loaded microgripper (IMAGE) Chemnitz University of Technology Caption Picospring loaded microgripper. The microgripper opens and closes by changing the strength of a magnetic field. Credit Graphic: Jacob Müller, Photos: https://doi.org/10.1038/s41565-023-01567-0 Usage Restrictions Credit must be given to the creator. Only noncommercial uses of the work are permitted. No derivatives or adaptations of the work are permitted. License CC BY-NC-ND 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.