Designing a spacecraft from scratch, says the 24-year-old part-time engineer, one of five grad students attending what's billed as the only space-architecture master's degree program on Earth.

从头设计一个飞船，这个24岁的兼职工程师这么说，他是地球上唯一培养空间建筑大师的学位课程的5个本科生中的一个。

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The site, free student question and answer service Piazza, is the brainchild of former Facebook, Kosmix and Oracle engineer Pooja Sankar, who felt a need for students to be able to connect with each other around their classes.

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