People are often surprised to learn that many of the most capable and high-tech robots are kept in cages away from humans.

This isn't because the machines are out to get us.

Many machines are dangerous because they simply lack self-awareness and the ability to understand their surroundings.

This is why, up until recently, robots haven't been able to work side-by-side with people in industrial settings.

Baxter by Rethink Robotics, however, is an example of a machine that can work with people.

The robot has eyes on a screen to show where the machine is "looking" to signal its next task.

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