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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
(
twitter.com)
00:02:28
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Chinese swimming star Pan Zhanle tells Chinese state television that Chairman Xi Jinping's words will inspire him to ''work harder'' in his future training.
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Chinese swimming star Pan Zhanle tells Chinese state television that Chairman Xi Jinping's words will inspire him to ''work harder'' in his future training.
Xi Jinping's charisma really has a special effect on athletes. They've trained all their lives but they couldn't do it
时政
(
twitter.com)
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