fig5
From: A highly stretchable and sintering-free liquid metal composite conductor enabled by ferrofluid
Figure 5. (A) Schematic illustration of the preparation of the hydrogel gripper; (B) and (C) Photographs and thermograms of the actuator with two-arm bending into a ring under the alternating magnetic heater for 80 s. Scale bar: 20 mm; (D) Photographs of the bilayer hydrogel recovering its shape at room temperature for 300 s. Scale bar, 15 mm; (E) Photographs of bilayer hydrogel as a four-arm gripper to capture the weight. Scale bar: 10 mm. LME: LM-elastomer.
