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Elon Musk on reusable heat shields and Mars reentry:
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Elon Musk on reusable heat shields and Mars reentry:
— No one has created a truly reusable orbital heat shield before
— Reentry involves extreme heat and pressure — very hard to withstand
— Only advanced ceramics and carbon-based materials can survive it
— SpaceX aims to make
btc
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twitter.com)
00:02:28
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In 1930 the Indiana Bell building was rotated 90°. Over a month, the 22-million-pound structure was moved 15 inch/hr... all while 600 employees still worked there. There was no interruption to gas, heat, electricity, water, sewage, or the telephone service they provided. No one
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In 1930 the Indiana Bell building was rotated 90°. Over a month, the 22-million-pound structure was moved 15 inch/hr... all while 600 employees still worked there. There was no interruption to gas, heat, electricity, water, sewage, or the telephone service they provided. No one
有趣
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twitter.com)
00:00:02