little hash marks for every bomb that the robot rendered safe, defused. and each one of those could have killed their operators if the robot had not been there. reporter: collin engel helped found the company in 1990. since then irobot has pushed beyond war zones and into the domestic battlefield. starting with the roomba vacuum. we almost start a relationship with these robots. you re watching tv, eating dinner and roomba is working on your behalf. it s like, wow, that s real and useful and deserving of a name. reporter: so, while we were at irobot, we wanted to take a few of the new home versions for a spin. sometimes i can be clumsy when i m eating. oh, my gosh. oh, no. reporter: oh, no. i m sorry about that. i have good news for you. with the roomba 700 series it detects dirt, which spends more time cleaning areas with small
reporter: what sort of a pattern does it follow? is it a random pattern? how does it know where to go? it s not random at all. it uses a combination of sensors on the robot and software that s in the robot. reporter: what s the cleaning solution that s in here? does it matter? can you use your own stuff? in this case it s water, that s the choice, water, which does a good job or you can put in a few drops of our scooba instamatic floor cleaner. reporter: for those scared of cleaning gutters, there s one to do that job called the luge. unlike the olympic sport you don t need the skin-tight suit and the helmet? that s right. and i wouldn t recommend you ride it either. reporter: this is just the beginning of the age of household robots. and engel sees plenty of opportunities in the future, even if it might take some getting used to. the home of the future is going to have a number of different robots. so, you ll have task-specific robots, but then you need to tie it all t
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