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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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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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Terence Tao says today's AIs pass the eye test -- but fail miserably on the smell test.
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Terence Tao says today's AIs pass the eye test -- but fail miserably on the smell test.
They generate proofs that look flawless. But the mistakes are subtle, and strangely inhuman.
“There's a metaphorical mathematical smell.. it's not clear how to get AI to duplicate that.”
时政
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twitter.com)
00:02:06
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