Combine two things that every kid loves, shapes and robots, to make this cute shapes robot craft. Break your box at the seams and open it inside out. It's best to use a box with no writing on the ...
Researchers have created microscale robots less than 1 millimeter in size that are printed as a 2D hexagonal 'metasheet' but, with a jolt of electricity, morph into preprogrammed 3D shapes and crawl.
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