February 5, 2023

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The science here is Caterpillar without batteries: a boom in soft robotics

Pictured is Johns Hopkins University (source Wikipedia)

a New crawling jelly robotwhich only works by changing the temperature and innovative design, resulted in A breakthrough in the field of soft robotics. The work conducted by researchers fromJohns Hopkins University In the United States, it was inspired by nature and in particular by caterpillars. The study is described in detail at Robotics science. he said toLead author, David Gracias, Professor of Chemical and Biomolecular Engineering at Johns Hopkins University.

“Our study shows how manipulating the shape, size, and pattern of gels can adjust their morphology to embody a kind of intelligence for locomotion.” Water-based gels are among the most promising materials for soft robotics. Researchers have previously shown that gels that swell or contract in response to temperature can be used to create smart structures. Here, the Johns Hopkins team has shown for the first time how swelling and contraction of gels can be strategically manipulated to move robots back and forth on flat surfaces, or essentially to make them crawl in certain directions in an undulating motion similar to a wave. Dubbed jellybots, 3D-printed robots will be easy to produce for the task. Gracias prophesied A number of future practical applications, including moving through the human body for targeted drug delivery. They can also be used Marine robots to patrol and monitor the ocean surface. Gracias hopes to train his jelly robots to crawl in response to changes in human biomarkers and biochemicals. He also plans to test other shapes inspired by worms and sea creatures and wants to install cameras and sensors on their bodies.

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