The EcoBot III has been trained to sense food and find it using its wheels. Instead of working from batteries, the EcoBot III works like a human does and gets energy from food.
It can shut itself down like humans do when they go to sleep and then use that energy again later. The work has been done by scientists at the Bristol Robotics Laboratory at Bristol University. Check out the video below to see it in action!
Article sourced from NEWSROUND - http://www.bbc.co.uk/newsround/17064375
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