A futuristic danger in Hollywood films like the terminator is now a big enough threat to warrant a United Nations debate.
Robotic technology has already advanced to levels that wouldn't look out of place in a sci-fi blockbuster.
These robots developed by the pentagon can climb stairs, detect and avoid obstacles and even correct themselves if you push them around.
Robots are getting close to being able to do the physical tasks that we can do.....and more.
It’s only a matter of time before they appear on the battlefield.
Machine technology is already being used to kill.
We've seen that in drone strikes against the Taliban and other terrorist groups, but behind the drone technology there's still a human being calling the shots.
Giving robots the power to make those life or death decisions themselves is what the u-n is discussing.
A computer's ability to analyze and think is improving all the time.
Google has been experimenting with neural networks, a kind of artificial brain, capable of teaching itself, independently from human programmers.
That raises a scary question…will the artificial intelligences that power our robots, one day decide.......to push back?