Science: Lefier Robot

In a dingy room in Manhattan's garment district last week a skilled knitting-machine operator, brought in by his employer, inspected a strange new device. He pushed a lever. The loom began to clank as tiny lights winked on a control box attached to the wall. Red, blue and yellow threads spun off their spools, were knitted into an intricately patterned fabric. The puzzled operator peered over, beneath and behind the row of darting needles, looking for a chain of perforated cards. There were no cards. Enthusiastic demonstrators of this new robot, called the...

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