Watch shape-shifting metal gallium in action | Science News

With the help of variable and permanent magnets, researchers turned chunks of gallium into shape-shifting devices. In the first clip, a toy figure escapes its jail cell by liquefying, gliding through the bars and resolidifying using a mold placed just outside the bars. In the second clip, one device removes a ball from a model human stomach by wrapping itself around the foreign object and exiting the organ. Read more: Video: Q. Wang et al/Matter 2023 (CC BY-SA)