Latest / The Robotics Podcast with Fexingo: Autonomous Systems, Industrial Robots, and Hardware
Why Robot Arms Can't Handle a Feather
In this episode, Lucas and Luna dive into why robotic arms struggle with one of the lightest objects imaginable: a feather. They explore the physics of low-mass, high-surface-area objects, discuss how even advanced force-torque sensors fail with featherweight forces, and look at a 2025 DARPA challenge where a robot was tasked with picking up a falling feather. The hosts break down the core issues—high-frequency vibrations from the arm interfering with sensor readings, the need for novel materials like electrostatic grippers, and why current control loops are too slow. Specific examples…
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