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Does anyone see the similarity of that short story with the novel from 2000 by Arthur C. Clarke and Stephen Baxter call "The Light of Other Days"? In that book, the authors posit a WormCam which allows anyone to observe anything through tiny wormholes. Just as in the Damon Knight short story, this ability has a radical affect on society. Since it is in novel form, Baxter and Clark can expand this idea further than in a short story. They explore many implications of information transfer instantaneously from any location through the wormholes, even to the point of using the technology to link minds. What are people interested in watching with their Wormcams in the book? Celebrities and Government officials and just about anybody as in the short story above. Jesus crucifixion and resurrection are so crowded with observers that people still don't know the truth about him. The novel contains many interesting vignettes about the effect of the Wormcams.
Similarly the scientists in Orson Scott Card's "Pastwatch: The Redemption of Christopher Columbus" find a way to view the past but they use it not just for study, but potentially for alteration of the biggest mistake of history. Card also takes the opportunity in his novel to reflect on what could be learned if we had the objective window into the past. Some of these explorations are the most interesting parts of the novel. Things like, the origin of the Flood myth, the nature of Jesus, and of course Christopher Columbus' discovery of the new world.
tags: science fiction, time travel, Damon Knight, Stephen Baxter, Arthur C. Clarke, Orson Scott Card
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