No humans needed here: How this robot builds walls all by itself

No humans needed here: How this robot builds walls all by itself. Have you ever wondered how much work goes into building a wall, especially one out of boulders? Building a wall out of boulders is no joke, which is why the robot "HEAP" was designed to help take the load off. CLICK TO GET KURT'S FREE CYBERGUY NEWSLETTER WITH SECURITY ALERTS, QUICK VIDEO TIPS, TECH REVIEWS, AND EASY HOW-TO'S TO MAKE YOU SMARTER HEAP stands for Hydraulic Excavator for an Autonomous Purpose, and it's a 12-ton Menzi Muck M545 walking excavator modified by a team from the ETH Zurich Research Institute. Among the modifications were a GNSS global positioning system, a chassis-mounted inertial measurement unit, a control module, LiDAR sensors, and its excavating arm.