I don't know how to spell Rhoomba, the robot vacuum cleaner** for people who don't get around to vacuuming their house, or Scoomba**, the one that "scrubs" the floors, or even how to spell I-Robot, the company that makes them.
But if you want to hear very interesting stuff listen to Talk of the Nation, Science Friday for today, June 23, the last 15 or 18 minutes. It's at
It's not your grandfather's robot anymore.
**Which I can't believe work very well, but what I heard today more than makes up for it.