Artificial ‘skin’ gives robotic hand a sense of touch

robotic skin

A team of researchers from the University of Houston has reported a breakthrough in stretchable electronics that can serve as an artificial skin, allowing a robotic hand to sense the difference between hot and cold, while also offering advantages for a wide range of biomedical devices.

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Amazing soft robots whose creation was inspired by plants.

soft robots

Robots are branching out. A new prototype soft robot takes inspiration from plants by growing to explore its environment.

Vines and some fungi extend from their tips to explore their surroundings. Elliot Hawkes of the University of California in Santa Barbara and his colleagues designed a bot that works on similar principles. Its mechanical body sits inside a plastic tube reel that extends through pressurized inflation, a method that some invertebrates like peanut worms (Sipunculus nudus) also use to extend their appendages. The plastic tubing has two compartments, and inflating one side or the other changes the extension direction. A camera sensor at the tip alerts the bot when it’s about to run into something.

In the lab, Hawkes and his colleagues programmed the robot to form 3-D structures such as a radio antenna, turn off a valve, navigate a maze, swim through glue, act as a fire extinguisher, squeeze through tight gaps, shimmy through fly paper and slither across a bed of nails. The soft bot can extend up to 72 meters, and unlike plants, it can grow at a speed of 10 meters per second, the team reports July 19 in Science Robotics. The design could serve as a model for building robots that can traverse constrained environments.

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