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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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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
(
twitter.com)
00:02:06
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what a ridiculous moment this is. this image might be in textbooks at some point.
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what a ridiculous moment this is. this image might be in textbooks at some point.
“tesla launches robotaxi” doesn’t even begin to do any justice in any meaningful way.
kinda just the beginning of post driving civilization. second only to space because it basically rewrites
btc
(
twitter.com)
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signüll
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#BREAKING: hundreds of Jewish Detroiters were prevented from attending today’s pro-Israel rally in DC when bus drivers staged a deliberate and malicious walkout.
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#BREAKING: hundreds of Jewish Detroiters were prevented from attending today’s pro-Israel rally in DC when bus drivers staged a deliberate and malicious walkout.
Nearly 1,000 people flew from Detroit to DC on chartered flights and buses were hired to take them from Dulles Airport…
时政
(
twitter.com)
00:00:59