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World's Largest Teleoperated Arm

Couldn't resist this one - was sure I'd seen this idea somewhere.

In the story, Heinlein plays around with the idea. He considers waldoes that are so small, they look like "tiny pixy hands, an inch across." He also describes some very large waldoes:

There were waldoes rigged near the spherical wall, too, including a pair so huge that Stevens could not conceive a use for it..

Extended, each hand spread quite six feet from little finger to thumb tip.

Scroll down for more stories in the same category. (Story submitted 1/27/2026)

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