Falling volcanic ash has for years been viewed as a nuisance. But a Sicilian project has discovered its agricultural potential and wants to spread the word
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"We have soft robots powered by air that can walk on land and then walk into water – we don't have to worry about what happens when things get wet," he explains. In one case, a six-legged robot devoid of electronics moves its legs to walk when air is pumped in and out of a tube.。Line官方版本下载对此有专业解读
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