University of Virginia Engineers Create Water-Surfing Robots
Engineers at the University of Virginia have made a groundbreaking discovery. They've developed a new process to create robots directly on the surface of water. This method, led by Professor Robert J. Wood, could revolutionise the manufacturing of soft, flexible devices and has significant potential for various applications.
The team has created two remarkable robots: HydroFlexor and HydroBuckler. HydroFlexor moves by flapping wing-like fins, while HydroBuckler mimics the walking motion of water striders, creatures that can walk on water using surface tension and long, hydrophobic legs.
The fabrication process involves two key innovations: HydroSpread and laser engraving on liquid surfaces. HydroSpread creates films with ultralow surface roughness and exceptional uniformity, solving a major problem in soft device manufacturing. Laser engraving on liquid surfaces allows for precise cuts without distorting the original shape, thanks to water's heat-dissipating effect.
Both robots recover their original shape upon cooling, enabling rhythmic movement. This process represents a fundamental shift in manufacturing soft, flexible devices and can be scaled for various applications, including water monitoring, disaster relief, and next-generation soft electronics.
The University of Virginia's engineering team, led by Professor Robert J. Wood, has developed a revolutionary process to fabricate robots directly on water. Their creations, HydroFlexor and HydroBuckler, demonstrate significant potential for various applications. This breakthrough could pave the way for advancements in soft device manufacturing and water-based robotics.
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