Scientists in the UK and Netherlands have developed the first-ever device that can "walk" along like a caterpillar using a single, constant light source for power. The concept is clever: A polymer material is installed in a frame shorter than itself...
Scientists in the UK and Netherlands have developed the first-ever device that can "walk" along like a caterpillar using a single, constant light source for power. The concept is clever: A polymer material is installed in a frame shorter than itself...
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