What the Numbers on a Robot Battery Actually Mean
Volts, amp-hours, watt-hours, C-rate, cycle life. Five numbers on a label, and only one of them tells you how long your robot will run.
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What a Robot Gripper Can and Cannot Pick Up
A robot hand that lifts 11 pounds can still crush an egg and fumble a sock. Four things decide what it holds: weight, shape, surface, floppiness.
