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NASA's New 3D-Printed Superalloy Can Take the Heat

NASA has demonstrated a breakthrough in 3D printable high-temperature materials that could lead to stronger, more durable parts for airplanes and spacecraft.

nasa.gov/image-feature/nasas-n

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小森林

每个人都有属于自己的一片森林,也许我们从来不曾走过,但它一直在那里,总会在那里。迷失的人迷失了,相逢的人会再相逢。愿这里,成为属于你的小森林。