The robot shuddered, then smoothly reached for the screw tray.
Her junior, Rohan, watched in awe. “So robotics isn’t just coding—it’s geometry, linear algebra, and dynamics.”
Prologue: The Factory Floor In the humming darkness of a car assembly plant, a six-jointed arm waited. It didn't dream. It didn't tire. It simply knew —its position, its velocity, its next move.
“Without the wrist’s orientation,” she muttered, “the end‑effector can’t align the screw.”