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闪电是怎么产生的？答案越来越有趣了。 一手编译

Armed with a slew of new instruments, physicists are closing in on one of nature’s oldest mysteries — and finding that storm clouds are seething with violent and unexpected phenome...
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qimuai 发布于 
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植物细胞内部隐藏的数学之舞 一手编译

The sunlight-collecting organelles known as chloroplasts solve a packing problem: how to optimize photosynthesis without sustaining damage from dangerously intense rays. ...
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寒武纪化石宝库重写早期生命故事 一手编译

Remarkably preserved fossils found in southern China offer a fascinating window into what life looked like at the end of the Cambrian explosion, with half of the species uncovered ...
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qimuai 发布于 
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为什么数学的最终公理会引起如此大的争议 一手编译

Zermelo-Fraenkel set theory is so widely accepted that modern mathematicians hardly think about it. But believing in its core principles didn’t come easily. The post Why...
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物理学家发现迄今为止最复杂的冰结构 一手编译

Scientists keep detecting new forms of ice. According to simulations, there could be many more left to find. The post Physicists Discover the Most Complex Forms of Ice Y...
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一种新型神经可塑性：单次经历即可重塑大脑 一手编译

“Neurons that fire together, wire together” is not the full story. A novel mechanism explains how the brain can learn across longer timescales. The post A New Type of Ne...
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强大新型‘二维码’解开数学最复杂难题 一手编译

With a newly discovered mathematical tool, researchers are hoping to gain unprecedented insight into the structure of complex knots. The post A Powerful New ‘QR Code’ Un...
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驱动生物运转的物理“生命力”是什么？ 一手编译

The bacterial flagellar motor is finally understood after 50 years. In its workings, columnist Natalie Wolchover finds the essence of life. The post What Physical ‘Life ...
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量子“阻塞”现象正在挑战我们对自然基本法则的理解 一手编译

围绕量子“阻塞”现象的新讨论，正在把科学家重新带回一个根本问题：如果量子力学并非最终理论，那么建立在其上的通信安全与密码学体系是否仍然可靠？
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今日活跃于你免疫系统中的远古武器 一手编译

Dozens of new discoveries reveal that defenses evolved by bacteria and viruses billions of years ago still define our own innate immune system. The post The Ancient Weap...
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  • twitter-author qimuai 8 个月前

    We’re opening an office in Seattle

    Come join us!

    https://t.co/E9BY2xFU2j

  • twitter-author qimuai 8 个月前

    Get through PDFs effortlessly with Grok.

    Highlight any section and click "Explain" to have Grok help you understand it.

    Or click "Quote" to ask a specific question. https://t.co/epQt4Nypfw

  • twitter-author qimuai 8 个月前

    i have had the strangest experience reading this: i assume its all fake/bots, even though in this case i know codex growth is really strong and the trend here is real.

    i think there are a bunch of things going on: real people have picked up quirks of LLM-speak, the Extremely Online crowd drifts together in very correlated ways, the hype cycle has a very "it's so over/we're so back" extremism, optimization pressure from social platforms on juicing engagement and the related way that creator monetization works, other companies have astroturfed us so i'm extra sensitive to it, and a bunch more (including probably some bots).

    but the net effect is somehow AI twitter/AI reddit feels very fake in a way it really didnt a year or two ago.

  • twitter-author qimuai 8 个月前

    Jakub and Szymon:

    https://t.co/6qrVNp5Q3u

  • twitter-author qimuai 8 个月前

    有时候会觉得，写的这些东西都太浅显了，发到朋友圈会不会被加的大V们嘲笑？如果有这个想法，肯定是做不好自媒体的。

    除非大V们是你的目标用户，否则永远不要让其他无关的人左右你的选题。

    你应该只关注，你的目标用户需要什么。

  • twitter-author qimuai 8 个月前

    人类在学习新知识或解决新问题时，往往不是直接“改写大脑参数”，而是通过“记笔记”或“自我提醒”的方式，将经验和策略以显式的形式保留下来。

    例如，当你遇到某类问题时，会总结出“下次遇到类似情况可以这样做”的经验。这种方式更像是在不断编辑自己的“系统提示”，而不是每次都重新训练大脑。

  • twitter-author qimuai 8 个月前

    此时常有人问该选哪个模型。我的答案永远是：工作环境允许的最强模型。我们不是大规模使用AI，所以即使工程角度认为"贵"或"慢"，也要选最好的大脑。（唯一限制应是公司对敏感信息上传的规定。）

  • twitter-author qimuai 8 个月前

    成功与思考伙伴（人或机器）协作的关键在于取其精华去其糟粕

  • twitter-author qimuai 8 个月前

    引用David Lieb（YC合伙人、Google Photos创始人）的话："你的直觉是世界上最复杂的机器学习模型。"使用生成式AI时，用你的专业品味识别有价值的内容。

  • twitter-author qimuai 8 个月前