Why Legged Robots Still Trip Over Stairs

In this episode, Lucas and Luna dig into the surprisingly hard problem of getting legged robots to handle stairs reliably. They examine Boston Dynamics' latest Atlas demo from April 2026, which still fails on spiral staircases, and contrast it with ETH Zurich's ANYmal robot, which uses a learned terrain-adaptation system called 'blind stair walking' to handle uneven steps without vision. The hosts break down why stair negotiation is a control problem, not a hardware one, and how the robotics industry is finally shifting from brute-force tuning to simulation-based reinforcement learning. They also touch on what this means for home-assistance robots and why the first robot you trust to carry a laundry basket down a flight of stairs is probably five years off. #LeggedRobots #StairNegotiation #BostonDynamics #Atlas #ETHZurich #ANYmal #BlindStairWalking #ReinforcementLearning #SimulationToReal #RobotControl #Quadruped #Bipedal #HomeRobotics #HumanoidRobot #RobotFailures #Technology #FexingoBusiness #BusinessPodcast Keep every episode free: buymeacoffee.com/fexingo