Though it moves under its own steam below the water (courtesy of eight propellers mounted to its frame), you'll notice that this robo-cleaner is tethered. The cable provides both power and access to a ...

Some of the best Robot Vacuum Cleaners work without making any noise and disturbance and come with high suction power. Their ...

They promise weeks of hands-free cleaning, but auto-empty robot vacuums defer maintenance rather than eliminating it. Here's what you need to know about the hidden costs and upkeep before you buy one.