Figure 5.

Cold droplets jumping dynamics on SMBA under magnetic field actuation. a) Simulation process of droplet pancake jumping on SMBA at v _m ≈ 150 mm s^–1 by the Level‐set method. The simulated process of droplet pancake jumping is in accordance with the experimental observation. b) Selected snapshots showing that the cold droplet (≈ 0 °C) jumps away from SMBA at 3.3 ms when v _m ≈ 150 mm s^–1. c) Two cold droplets (≈ 0 °C) can coalesce into one irregular droplet and detach from SMBA easily at 633 ms when v _m ≈ 10 mm s^–1. d) Selected snapshots showing that three cold droplets (≈ 0 °C) coalesce into one droplet and rapid shed from SMBA at 253 ms when v _m ≈ 10 mm s^–1. Scale bar: 2 mm.