fig4

Figure 4. Other methods for MLM preparation. (A) Papers coated with MLM as a flexible circuit and magnet^[61]. Reprinted with permission. Copyright 2020, John Wiley and Sons; (B) Preparation of the reprogrammable MLM microparticles in elastomer substrates by mixing^[79]. Reprinted with permission. Copyright 2023, John Wiley and Sons; (C) Continuous fabrication of electromagnetic fibers with an MLM as the core and elastic polyurethane as the sheath^[81]. Reprinted with permission. Copyright 2024, American Chemical Society; (D) Spray deposition of LM^[53]. Reprinted with permission. Copyright 2017, Royal Society of Chemistry; (E) Injection molding of liquid metal^[83]. Reprinted with permission. Copyright 2024, American Chemical Society; (F) Suspension printing of LM^[86]. Reprinted with permission. Copyright 2022, Springer Nature. MLMs: Magnetic liquid metals; LM: liquid metal.