We’re covered in bacteria every day. They help us digest our food and protect our skin, and they’re potentially a great medical tool—but only if we can control them. Scientists think they’ve taken the first step by engineering bacteria that can live in a swarm, but die when they try to escape individually to new areas.
Teamwork is a new concept in the field of robotics, but the idea of creating hundreds of cheap disposable robots that work together to complete a greater task has a lot of promise. So far swarm bots—as they've come to be known—have successfully tackled problems on land and in the air. But now DARPA wants them …
The collective power of many little robots could do a lot of good for the world. But for now, it just pulls little children across the floor in a freaky way.