Feb 11 2026SCIENCE
Light‑Powered Gel Robot That Swims Like a Leech
A new soft robot moves through water by using light instead of batteries. The device is made from a single sheet of liquid‑crystal gel that has been patterned so its internal molecules twist in a way that produces a traveling wave when it is illuminated. When a laser scans across the sheet, the gel
reading time less than a minute
