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《大众科学》

1990年5月1日

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一项关于合法间谍活动的古老提议重获新生

作者：约翰·霍根

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John Horgan, who has written for 大众科学 since 1986, comments on science on his free online journal Cross-Check. He has also posted his books Mind-Body Problems and My Quantum Experiment online. Horgan teaches at Stevens Institute of Technology.

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This article was originally published with the title “Open Skies” in 大众科学 Magazine Vol. 262 No. 5 (May 1990), p. 20
doi:10.1038/scientificamerican0590-20

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