Ryan Mitchell

I have spent the last several months reading every humanoid robotics paper, watching dozens of fall demonstrations, and talking with engineers who have built the controllers behind today’s bipeds. The question how do humanoid robots recover from a fall sounds simple, but it sits on top of an entire stack of biomechanics, control theory, and … Read more

Most humanoid robot batteries last between 2 and 4 hours on a single charge during normal operation, but drop to 30 to 60 minutes when the robot is walking, lifting, and running AI inference at the same time. That gap between marketing claims and real workloads is the single biggest factor in whether a humanoid … Read more

When Boston Dynamics retired the hydraulic Atlas in April 2024 and unveiled an all-electric successor, the company did more than redesign a robot. They signaled the end of a 15-year debate about which actuation philosophy could carry humanoid robots from research labs into factory floors and homes. Today, electric actuators dominate every major commercial humanoid … Read more

Humanoid robot actuators are the mechanical “muscles” that convert stored energy into physical movement at every joint, allowing a robot to walk, lift, grasp, and balance. Without them, even the smartest AI is just a statue. Most modern humanoids rely on electric motors with gear reductions, but a growing share now uses series elastic designs … Read more

Most modern humanoid robots have between 28 and 56 degrees of freedom (DoF), with research platforms like Kengoro reaching as high as 174 DoF. The exact count depends on the design, but a typical full-body humanoid uses 6 DoF per leg, 7 DoF per arm, plus additional joints in the torso, neck, and hands to … Read more

When I first watched a robot hand pick up a raw egg without cracking it, I had to know what was happening under the skin. The short answer to how robot hands grip objects is this: a controller commands an actuator, the actuator moves fingers or jaws into contact with a target, and a network … Read more

If you have ever looked at a humanoid robot and felt a sudden wave of discomfort, you have already met the uncanny valley in robotics. That uneasy feeling, somewhere between fascination and revulsion, is one of the most discussed topics in modern robotics. It shapes how we design human-like machines, how we judge CGI characters, … Read more

Every few months I see another polished video of a humanoid robot walking through a warehouse or folding a shirt. Then I scroll down to the comments and find engineers pointing out the dozens of takes, the safety harness just out of frame, and the toddler-like fall rate. I have spent the last decade building … Read more

Yes, humanoid robots are being used in factories in – but only in narrow, carefully selected pilot programs at facilities like BMW, Schaeffler, and Tesla, not at mass-production scale. Real deployments from Figure, Tesla, UBTECH, Agility Robotics, and Apptronik are running today, yet most pilots are still hitting only 20% to 50% effectiveness compared to … Read more

If you have watched a humanoid robot demo lately and wondered whether it was actually thinking on its own, you are asking the right question. Many of the most viral clips from show a person in another room, headset on, silently moving a robot body halfway across the world. That is teleoperation in humanoid robotics, … Read more