Are cheap robot vacuums worth the money? Our expert weighs in Here's what budget models deliver and where they fall short.

Long story short: Buying a certain robot vacuum just because it's cheap puts that glorious hands-off cleaning experience in jeopardy. But not all budget robot vacuums are disappointing. Compared ...

You may remember Nao, a charming humanoid robot, for its exploits on the soccer field, dance floor, or even for its love of amateur dramatics. While Nao has enjoyed chatting with us humans since ...