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Next stop: Alpha Centauri

机译:下一站:阿尔法队

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Starship conferences attract a hopeful crowd: researchers, inventors, and hobbyists enthused by the idea of building spacecraft that can fly between star systems. The excitement at these gatherings can make it feel as if anything is possible-but also as if nothing is. Many of the schemes put forward are too vague, and they almost always have too many technological gaps to fill.In 2015, Philip Lubin, a cos-mologist from the University of California, Santa Barbara, took the stage at the 100-Year Starship Symposium in Santa Clara. He outlined his plan to build a laser so powerful that it could accelerate tiny spacecraft to 20% of the speed of light,getting them to Alpha Centauri in just 20 years. We could become interstellar explorers within a single generation. It was quite the hook.Because Lubin is an excellent public speaker, and because the underlying technologies already existed, and because the science was sound, he was mobbed after the talk. He also met Pete Worden, a former research director of NASA's Ames Research Center, for the first time. Worden had recently taken over as head of the Breakthrough Initiatives, a nonprofit program funded by Russian technology billionaire Yuri Milner. Six months later, Lubin's project had $100 million in funding fromBreakthrough and the endorsement of Stephen Hawking, who called it the "next great leap into the cosmos."
机译:Starship会议吸引了一个充满希望的人群:研究人员,发明家和业余爱好者被建立航天器可以在星系之间飞行的想法。这些聚会的兴奋可以让它感觉好像有些可能是可能的 - 但也就像没有任何东西一样。提出的许多方案都太模糊,而且它们几乎总是有太多的技术差距来填补。2015年,来自加利福尼亚大学圣芭芭拉加州大学的COS-MOPORTIOP的Philip Lubin在Santa Clara的100年星舰研讨会上占据了舞台。他概述了他的计划,建立一个激光如此强大的激光,它可以将微小的航天器加速到光速的20%,在20年内让他们到阿尔法中心。我们可以成为一代人中的星际探险家。这是钩子。因为鲁宾是一位优秀的公众演讲者,因为底层技术已经存在,而且因为科学声音,他在谈话后被击球。他还曾第一次遇到了美国宇航局阿姆斯研究中心的前研究主任Pete Worden。 Worden最近被担任突破性倡议的负责人,这是由俄罗斯技术亿万富翁Yuri Milner资助的非营利组织。六个月后,Lubin的项目获得了1亿美元的资金突破和斯蒂芬霍金的认可,谁称之为“下一个伟大的飞跃进入宇宙”。

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    《Technology Review》 |2019年第4期|67-70|共4页
  • 作者

    Kate Greene;

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