A Covalently Bonded Exchange Coupled Nanomagnet-Based Hydrogel Composite for Microrobotic Applications. - Lukas Hertle; Hyeon Ko; Valentin Gantenbein; Joaquin Llacer-wintle; Hao Ye; Mathieu Mirjolet; Andrea Veciana; Fabian C. Landers; Minsoo Kim; Elric Zhang; Minghan Hu; Josep Puigmartí-Luis; et al. (Adv. Intell. Syst., 2025)