AI Insight
Researchers developed a method to create hydrogels with programmable shape-changing capabilities by using light to encode specific patterns that control how the material expands and moves. The technique allows for rapid fabrication of hydrogels with chirality (handedness) that can morph into complex 3D structures and perform actuating movements in response to stimuli. By controlling the light exposure patterns, the team demonstrated the ability to switch between left-handed and right-handed structures and create materials that can grasp objects or change shape on demand.
Why it matters
This advancement could enable new applications in soft robotics, biomedical devices, and adaptive materials that respond intelligently to their environment. The ability to rapidly program complex shape-changes and directional movements into biocompatible hydrogels may lead to innovations in minimally invasive medical tools, drug delivery systems, and artificial muscle technologies.
Understand the Science
Source: Reconfiguring handed shape-morphing and actuation in hydrogels via light-encoded rapid expansion