It's a safe bet that a robot made your car and your computer.Pretty soon,they could be making your bed and breakfast,too.     Increasingly,engineers are saying that robots are going to move out of research departments and into your home.Companies including Sony and General Electric are working on designs for small robots.Products like Roomba,a robot that can clean floors, are  _ .     What's behind this new robot revolution ? lt's partly a matter of technology.Devices that can recognize and answer human voice have been developed.There are now a few different ways for robots to move around.They can walk, crawl or ride on wheels.Robots are being made smaller and smaller.They are also becoming more and more able.     A bigger part of the story is on the demand side.From the day the television remote control was invented,people around the world have searched for new ways to be lazy.Take into consideration that more and more people can afford robots, and the time secms ripe to introduce robots to the ordinary family.     To be sure,robots that walk on two legs and talk like people are still a long way off.However, robots that do basic housework such as cleaning or gardening are sure to come out soon.One thing is certain--when these robots do come into our homes,it will change things forever. What can Roomba do?
Making beds and breakfast. Cleaning floors. Making cars and computers. Looking after kids and pets.