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What’s an ansible?
With her book “Rocannon’s World,” Ursula K. Le Guin gave fantasy and science fiction writers a tool that grew the boundaries of ‘credible’ sci-fi adventures. The ansible device is used to communicate across vast distances uninhibited by the constraints of light speed.
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Like Asimov’s three rules of robotics, the ansible has been adopted by several writers since becoming something of a staple for SF authors. Ansible has since made its way into other common vernaculars as well as the Oxford English Dictionary.