Caroline Aghajanian: I'm right outside Clockwork in San Francisco ... and you want to just relax your whole arm, and then say the word "ready." And then the robot goes ahead and paints your ...

When you hear the word 'robot', what do you picture? Is it something that looks like a human, but made of metal? Is it working in a factory, or maybe exploring Mars? What you might not have ...

If you're in the market for a new robot vacuum — and are open to buying one on the more expensive end of the spectrum — you still have plenty of time to decide whether the arm thing is ...