Chinese scientists design swimming robot to detect contaminants, pathogens

BEIJING, Jan. 11 (Xinhua) -- Chinese scientists have developed a tiny, battery-free and wireless soft swimming robot that can detect contaminants and pathogens in confined spaces.

The study published on Thursday in the journal Science Advances describes the miniaturized mobile electronic system powered with external radio frequency signals.

The arrow-shaped device can sense temperature, and detect and qua