Episodes

  • Why Robot Arms Still Cant Handle a Single Toothpick

    Why Robot Arms Still Cant Handle a Single Toothpick
    Jun 29 2026
    Why can a two-million-dollar industrial robot arm lift a car engine but fail to pick up a single wooden toothpick from a table? In Episode 80 of The Robotics Podcast, Lucas and Luna drill into the physics of 'stick-slip' friction, the limits of proprioception in rigid serial-link manipulators, and why the toothpick problem reveals a fundamental gap in robot control theory. They walk through a 2025 experiment from MIT's Manipulation Lab where a KUKA LBR iiwa attempted the task 500 times with a success rate under 4 percent, and discuss what that means for automation in surgical suturing, micro-assembly, and even food service. No fluff: just the specific mechanical reasons a toothpick defeats a robot arm. #RobotArms #Toothpick #StickSlipFriction #MITManipulationLab #KUKA #Proprioception #Grasping #Manipulation #Robotics #IndustrialRobots #AutonomousSystems #Hardware #Technology #FrictionPhysics #SurgicalRobotics #MicroAssembly #FexingoBusiness #BusinessPodcast Keep every episode free: buymeacoffee.com/fexingo
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    10 mins
  • Why Robot Arms Cant Fold a Fitted Sheet

    Why Robot Arms Cant Fold a Fitted Sheet
    Jun 28 2026
    In this episode of The Robotics Podcast, Lucas and Luna tackle a deceptively simple household challenge: folding a fitted sheet. They explain why this task — combining deformable fabric, elastic corners, and complex geometry — remains a frontier problem for robotic manipulation. Lucas draws on research from MIT's CSAIL and Berkeley's AUTOLab, referencing specific papers on cloth manipulation and the 'memoization of folding trajectories' technique. Luna points out that even Amazon's warehouse robots sidestep the problem by using standardized packaging. The conversation explores why perception, physics simulation, and gripper design all break on a fitted sheet, and what breakthroughs in deformable-object handling could mean for laundry robots, medical textiles, and home automation. A concrete look at why your robot maid still can't make the bed. #RoboticsPodcast #RobotArms #FittedSheet #DeformableObjects #ClothManipulation #MITCSAIL #BerkeleyAUTOLab #GripperDesign #RobotPerception #LaundryRobot #HomeAutomation #RoboticManipulation #PhysicsSimulation #RoboticsChallenge #Technology #FexingoBusiness #BusinessPodcast #AutonomousSystems Keep every episode free: buymeacoffee.com/fexingo
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    10 mins
  • Why Robot Arms Still Cant Handle a Screwdriver

    Why Robot Arms Still Cant Handle a Screwdriver
    Jun 28 2026
    Lucas and Luna dive into the surprisingly hard problem of robots using screwdrivers. Despite advances in industrial automation, manipulating a common screwdriver remains a challenge due to force control, tool alignment, and variable materials. They discuss a 2025 IEEE paper from MIT's CSAIL that tested a KUKA robot arm on 50 different screw types, achieving only 73 percent success. The episode explores the physics of screwing, why torque sensing isn't enough, and what this means for assembly line automation. Lucas breaks down the specific failure modes: cam-out, cross-threading, and bit slippage. Luna questions whether deep reinforcement learning could solve it, and they examine a novel force-control algorithm called ScrewNet. The conversation touches on how humans use tactile feedback unconsciously, and why replicating that in hardware is still a decade away. This episode continues the show's series on the limits of robotic manipulation, offering a concrete technical deep dive into one everyday object that stumps even advanced systems. #RobotArms #Screwdriver #RoboticManipulation #MITCSAIL #IndustrialRobots #ForceControl #Automation #AssemblyLine #RoboticsResearch #ScrewNet #TactileFeedback #KUKA #IEEE #MachineLearning #Technology #FexingoBusiness #BusinessPodcast #RoboticsLimits Keep every episode free: buymeacoffee.com/fexingo
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    8 mins
  • Why Robot Arms Cant Handle a Deflated Ball

    Why Robot Arms Cant Handle a Deflated Ball
    Jun 27 2026
    In this episode of The Robotics Podcast, Lucas and Luna explore why robot arms struggle with deformable objects like a deflated ball. They dive into the physics of non-rigid materials, the limitations of traditional force sensors, and a case study from Disney Research's 2023 work on soft-object manipulation. Lucas explains how the lack of a stable geometric model makes gripping and rolling a collapsed sphere nearly impossible for current industrial arms, while Luna points out how human hands use real-time tactile feedback that robots still lack. The hosts discuss implications for warehouse automation and soft material handling. A quick aside on how listener support keeps the show ad-free. Tune in for a deep but accessible look at one of robotics' most stubborn challenges. #Robotics #Technology #RobotArms #SoftObjectManipulation #DeformableObjects #DisneyResearch #IndustrialRobots #AutonomousSystems #RobotSensors #TactileFeedback #WarehouseAutomation #RobotFailure #PhysicsOfRobotics #Hardware #FexingoBusiness #BusinessPodcast #RoboticsPodcast #Episode77 Keep every episode free: buymeacoffee.com/fexingo
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    6 mins
  • Why Robot Arms Cant Operate a Doorknob

    Why Robot Arms Cant Operate a Doorknob
    Jun 27 2026
    Lucas and Luna tackle a deceptively simple task that stumps even the most advanced robotic arms: opening a door. They dig into the physics of compliant motion, the role of force-torque sensors, and why a task humans master by age two remains a benchmark for dexterity. Drawing on examples from the 2026 DARPA Subterranean Challenge and a 2023 study from the University of California, Berkeley, they explain why the real challenge isn't just gripping—it's the subtle coordination of force, friction, and alignment. If you've ever watched a robot fumble a door handle and wondered why, this episode unpacks the hardware and software hurdles. Plus, the hosts reflect on how this seemingly minor skill could unlock new frontiers in home assistance and disaster response. #RobotArms #Doorknobs #CompliantMotion #ForceTorqueSensors #DARPA #SubterraneanChallenge #UniversityOfCaliforniaBerkeley #RoboticsResearch #AutonomousSystems #IndustrialRobots #HardwareChallenges #DexterousManipulation #HomeRobotics #DisasterResponse #Technology #FexingoBusiness #BusinessPodcast #RoboticsPodcast Keep every episode free: buymeacoffee.com/fexingo
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    9 mins
  • Why Robot Arms Still Cant Handle a Raw Egg

    Why Robot Arms Still Cant Handle a Raw Egg
    Jun 26 2026
    In this episode, Lucas and Luna tackle a deceptively simple challenge: why can't even the most advanced industrial robot arms crack a raw egg into a bowl without disaster? They dive into the physics of brittle shells, the problem of force control at milliseconds timescale, and why a five-year-old human outperforms a $100,000 robot at this task. Along the way, they reference the famous 'egg-cracking' dataset from the Robotic Grasping lab at MIT, and discuss a 2025 paper from UC Berkeley on visuotactile sensing that promises progress. If you think robot hands are close to human dexterity, this episode will change your mind. #Robotics #RobotArms #EggCracking #Dexterity #ForceControl #MIT #UCBerkeley #VisuotactileSensing #Grasping #IndustrialRobots #Technology #Podcast #FexingoBusiness #BusinessPodcast #TheRoboticsPodcast #LucasAndLuna #AutonomousSystems #HardwareChallenges Keep every episode free: buymeacoffee.com/fexingo
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    8 mins
  • Why Robot Arms Cant Handle a Balloon

    Why Robot Arms Cant Handle a Balloon
    Jun 26 2026
    Episode 74 of The Robotics Podcast examines why robot arms struggle with balloons — a surprisingly hard manipulation problem that reveals fundamental limits in tactile sensing and real-time control. Lucas breaks down the physics: a balloon's low mass, high compliance, and zero friction surface confound traditional grippers designed for rigid objects. He cites recent IEEE research from MIT's CSAIL lab showing that even force-torque sensors fail below 0.1 Newtons. Luna brings in a 2025 DARPA challenge where a Kuka arm popped 8 out of 10 latex balloons during a mock-medical task. They discuss how this connects to broader challenges in handling delicate materials like organ tissue and fruit. A concrete look at why the soft robotics revolution is still wrestling with the simplest objects. #Robotics #RobotArms #BalloonHandling #TactileSensing #SoftRobotics #MITCSAIL #DARPA #ForceSensors #CompliantManipulation #IEEE #IndustrialRobots #AutonomousSystems #Technology #FexingoBusiness #BusinessPodcast #RoboticsPodcast #Hardware #RoboticsFailure Keep every episode free: buymeacoffee.com/fexingo
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    10 mins
  • Why Robot Arms Cant Handle a Single Lego Brick

    Why Robot Arms Cant Handle a Single Lego Brick
    Jun 25 2026
    Lucas and Luna explore the surprising difficulty robots face when trying to pick up and place a single Lego brick. They dive into the challenges of precision gripping, alignment tolerances, and why a task that seems trivial for a human is a nightmare for industrial automation. With references to the 0.2mm clutch power tolerance of Lego bricks, the episode explains why your childhood toy is a benchmark for robotic dexterity. #Robotics #Lego #Automation #RobotArms #DeformableObjects #PrecisionGripping #IndustrialRobots #RobotDexterity #Manufacturing #Technology #FexingoBusiness #BusinessPodcast #RoboticsPodcast #LegoBrick #ClutchPower #GripperDesign #PieterAbbeel #RobotHands Keep every episode free: buymeacoffee.com/fexingo
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    11 mins