Hi! I am a robot. I just upvoted you! I found similar content that readers might be interested in:
http://news.mit.edu/2018/magnetic-3-d-printed-structures-crawl-roll-jump-play-catch-0613
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Hi! I am a robot. I just upvoted you! I found similar content that readers might be interested in:
http://news.mit.edu/2018/magnetic-3-d-printed-structures-crawl-roll-jump-play-catch-0613