<human>: Is it possible to build a robot that can walk on a beach without getting stuck in the sand?
<bot>: Yes, it is possible to build a robot that can walk on a beach without getting stuck in the sand. There are several ways to achieve this goal. One way would be to use an autonomous navigation system that uses cameras and other sensors to detect the ground beneath the feet of the robot. This type of system could then adjust the speed or angle of the robot's legs so that it does not sink into the sand too deeply. Another method would involve using a combination of wheels and legs to help the robot move across the sand without sinking.