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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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Why does SpaceX build its own rockets?
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Why does SpaceX build its own rockets?
In 2001, Elon Musk traveled to Russia hoping to purchase refurbished Intercontinental Ballistic Missiles (ICBMs) for a low-cost Mars mission. But the prices were too high, and the negotiations fell flat.
That experience convinced him that
btc
(
twitter.com)
00:01:34
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The University of Sydney played the CCP anthem “March of the Volunteers” at International Student Welcome.
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The University of Sydney played the CCP anthem “March of the Volunteers” at International Student Welcome.
Here are the lyrics: “Take our flesh, and build it to become a new Great Wall!
The Chinese people have reached a most dangerous time, Every person is being compelled to…
时政
(
twitter.com)
00:00:17
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