Walking Bio-Bot Made WIth Cells, Gels

Walking Bio-Bot Made WIth Cells, Gels : Discovery News: "Humans build autonomous robots all the time, but they tend to be made of metal, plastic and need batteries. Now a team at the University of Illinois has built an antonomous robot made from plastic and living cells. Such a device could be used to detect chemicals in water, climb walls or react to certain elements in the water like a sensor."