Scientists in America build robotic ant colony

Robo-ants in action

Scientists in America have built a robotic ant colony.

The team behind the techno creepy crawlies say they've programmed them to behave like the real thing.

They don't look much like insects, each robo-ant is a small cube fitted with two motorised wheels.

But like the real bugs, the robots leave a trail for the others to follow.

Amazingly they can find the fastest way through a network or maze, simply by being programmed to avoid barriers.

Simon Garnier, who led the experiment, said; "By themselves, each robot would just move around randomly and get lost... but they are able to work together and communicate."

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