Isaac Asimov would probably have been horrified at the experiments under way in a robotics lab in Slovenia.

Asimov's three Laws of Robotics were meant to ensure that robots would serve as safe and useful tools for humans, but some modern roboticists say the rules don't mesh with current technology, and propose a new set of robotics laws.

With his elegantly simple Three Laws of Robotics, Isaac Asimov sidestepped the murderous robot cliche that had so dominated science fiction. But even the Good Doctor wasn't completely immune to the lure of killer robots.