My cats and I tested the Litter-Robot 3 Connect and Litter-Robot 4 automatic litter boxes. Here's how they compare and what to know about the Litter-Robot 3 vs. 4.

QTrobot, a two-foot-tall humanoid robot, could be useful in teaching children with autism valuable social skills, according to a new study.

Further studies using QT are planned to further investigate the utility of robot-assisted learning for children with learning disabilities. The study was published in the journal Social Robotics.