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"Anniversary" is a science fiction short story by Isaac Asimov. It was first published in the March 1959 issue of ''Amazing Stories'' and subsequently appeared in the collections ''Asimov's Mysteries'' (1968) and ''The Best of Isaac Asimov'' (1973). The story was written to mark the twentieth anniversary of Asimov's first published story, "Marooned off Vesta", in the March 1939 issue of ''Amazing''. The story is also part of a loosely connected series of stories by Asimov about the supercomputer Multivac. ==Plot summary== Warren Moore and Mark Brandon are two of the three survivors of the wreck of the ''Silver Queen'' in the asteroid belt. Every year, they meet on the anniversary of the disaster to celebrate their survival. On the 20th anniversary, Brandon has a surprise: he appears at Moore's house with Michael Shea, the third survivor. As the three men reminisce, Brandon admits that he is unhappy with the way their fame has faded over the years. Even though the three are still the only people ever to survive a spaceship wreck, the public has forgotten them. The only thing the general public remember about the wreck of the ''Silver Queen'' is that Dr. Horace Quentin, a great scientist, was killed. When Shea mentions that Trans-space Insurance is still searching for wreckage from the ship, 20 years later, it occurs to Brandon that there must have been something extremely valuable on board, and that Trans-space still hasn't found it. The three men learn via Moore's Multivac terminal that Quentin had a revolutionary new optical device with him on the ship, and that it is still missing. The only clue is the description of the device as "an opticon", an apparent reference to a light-manipulating device. Moore realizes that he has had it all along; he unknowingly obtained it during the wreck. The device's name is "anopticon", meaning a device without lenses. He discovers that an apparently useless tube a few inches long, which he had taken as a souvenir, can be used as a powerful microscope or telescope. It seems to use force-fields instead of lenses and is extremely versatile. With Quentin's device in their possession, the three men will once again become famous. In the first story, the irony was that the men were in orbit around Vesta with no source of motive power but a year's supply of water. They find a way to use the water as a makeshift rocket in order to reach Vesta, and on the way down they make a toast: "Here's to the year's supply of water we used to have." At the end of this story, they change the toast to "Here's to the souvenirs we used to have." 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Anniversary (short story)」の詳細全文を読む スポンサード リンク
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