You might be thinking what the heck is a Roomba Robot well the Robot is a vacuum cleaner made by the company iRobot. The Robot is a small circular device and when at full charge equals approximately two hours of cleaning time, which in the Roomba world means vacuuming three medium-size rooms before it needs to re juice.
What the Roomba looks like.
The Roomba Robot works by sensors, along the front of the machine, when it is running and the sensor detects something like a wall or a stairway, or and animal it backs up and goes in a diffrent direction.
Here is a picture of the sensors.
People might not think this is a good product, but it is the science behind it makes it the best product on the market almost. The roomba robot can range from the price of $50 to $1,500.
Refrences
http://electronics.howstuffworks.com/gadgets/home/robotic-vacuum2.htm
http://en.wikipedia.org/wiki/Roomba
