For this robot, the secret to crawling is artificial snakeskin

The world is getting flooded with tiny (creepy) robots that can crawl all over the place, including your clothes. The latest one, created by scientists at Harvard University, uses artificial scaly skins to move forward — kind of like a snake.The soft robot is just a silicone rubber tube. But what’s special about it is its skin — a thin, stretchable plastic sheet that’s been cut with a laser. The cuts, in the shape of triangles or circles, resemble the scales on the skin