The new robotic arm is made of foam material that allows robots to sense objects. Artificial
During cutting, the new material is easily fastened back into a whole piece.
There are many ways to use such material, especially in robotics and prosthetics - where robots need to be much smarter when working among people.
Benjamin Tee, Lead Researcher
In order for the new robotic arm to begin to touch, the researchers filled the material with microscopic metal particles and placed tiny electrodes under the layer of material.
When pressure is applied, metal particles inapproach the polymer matrix, changing its electrical properties. These changes are recorded by electrodes connected to a computer, which allows the robot's arm to determine not only the magnitude, but also the direction of the applied force. As a result, the robotic hand senses not only touches, but also the approach and distance of objects.
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