Self-Sustaining Robot

It eats flies and stinks to high heaven, but if this robot works, it will be an important step towards making robots fully autonomous. To survive without human help — perhaps to rove in dangerous or inhospitable terrain — a robot needs to generate its own energy. Now a robot has been developed that catches flies and digests them in a special reactor cell to generate electricity — but to do so it will most likely have to attract flies by using a stinking lure made from human excrement