Kymco has launched the new AK550i Premium in the US, a maxi-scooter that’s designed specifically to go the distance. Kymco might not always grab headlines, but the brand has been a major force in the ...
Abstract: This paper presents a bionic foldable wing that imitates the hind wing of ladybirds. Based on the folding mechanism of the hind wing of ladybirds and the theory of origami, the motion model ...
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