The international community is trying to jump ahead of autonomous killer robots, but the messiness of war means they have few answers to the crisis they imagine.

Using video games and realistic virtual simulations to train soldiers has been a sci-fi trope for many years. Experts are wondering if it could soon become a reality.

Far be it from me to offer design advice to giant killer robot builders, but that's exactly what I'm going to do.

The wars of the future will be fought by robots, but instead of lowering the cost of war, they might make wars bloodier and more common.