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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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Shi Ping (also known as Hei Seiki), a Japan-based political counsellor, was recently sanctioned by the People’s Republic of China and barred from entering the mainland, where he was publicly labelled hanjian (traitor).
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Shi Ping (also known as Hei Seiki), a Japan-based political counsellor, was recently sanctioned by the People’s Republic of China and barred from entering the mainland, where he was publicly labelled hanjian (traitor).
In response, Shi made a pointed observation: if he can
时政
(
twitter.com)
00:00:49