近日，微软研究院团队公布了一项面向超长期数据归档的玻璃基存储技术「Silica」，并在发表于《自然》的论文中展示了完整的写入、读取与解码系统。
Not only is this a huge $150 discount from the M3 iPad Air's original list price of $749, but this also marks a return to its lowest-ever price at the retailer. What better time to shop?
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A controlled deorbit requires the use of several core systems, including those for communications, power, and avionics. Some of the ISS machinery was not specifically certified to perform in a depressurized environment. (NASA believes that critical systems would remain operable, based on technical analyses, and emphasizes that many of these systems are already used in vacuum.) Another thing to worry about: the ISS losing control over its orientation in space. The spacecraft could start tumbling, flipping the station’s solar arrays away from the sun, taking the primary source of power with it.，详情可参考heLLoword翻译官方下载
Dan Simmons, the author of more than three dozen books, including the famed Hyperion Cantos, has died from a stroke. He was 77.