It works through an electric current.
that can move forward, backward, and dip under narrow spaces by functioning just like a caterpillar. Users can steer the robot in many directions simply by using heat.
“Engineering soft robots that can move in two different directions is a significant challenge in soft robotics,” Zhu added. “In general, the more current we applied, the faster it would move in either direction. However, we found that there was an optimal cycle, which gave the polymer time to cool – effectively allowing the ‘muscle’ to relax before contracting again. If we tried to cycle the caterpillar-bot too quickly, the body did not have time to ‘relax’ before contracting again, which impaired its movement.”The robot provides such precise control as to allow the researchers to steer it under a very low gap.
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