The article links to this: http://www.scmp.com/news/hong-kong/article/1308876/chinese-university-scientists-build-tiny-robot-battle-human-diseases http://www.s

The article links to this: http://www.scmp.com/news/hong-kong/article/1308876/chinese-university-scientists-build-tiny-robot-battle-human-diseases http://www.scmp.com/news/hong-kong/article/1308876/chinese-u... It gives a better idea of what they're talking about.