BURLINGTON, Mass. — Forget R2D2. The next frontier in robotics is a miniature tank that borrows some of the technology behind military bomb-defusing robots — to eject rotting foliage from your gutters ...

Rosie, the Jetsons' robot, never cleaned the gutters. But yours can. IRobot Corp., the company that brought us the Roomba robotic vacuum cleaner, recently introduced a gutter-cleaning robot called the ...