2025-08-07

42 篇热帖

1. We replaced passwords with something worse (blog.danielh.cc)

where my words occasionally escape /dev/null

2. Windows XP Professional (win32.run)

Yet another Windows XP in the browser, but with a File System and comes with it, Programs.

3. Building Bluesky comments for my blog (natalie.sh)

I hate disqus too much.

4. Gemini CLI GitHub Actions (blog.google)

Today, we’re introducing Gemini CLI GitHub Actions. It’s a no-cost, powerful AI coding teammate for your repository. It acts both as an autonomous agent for critical routine coding tasks, and an on-demand collaborator you can quickly delegate work to.

5. Jules, our asynchronous coding agent (blog.google)

Jules is officially out of beta and launching publicly, powered by Gemini 2.5.During the beta, thousands of developers tackled tens of thousands of tasks, resulting in o…

6. Infinite Pixels (meyerweb.com)

In which I push browser engines to their finite limits using infinite values.

7. Writing a Rust GPU kernel driver: a brief introduction on how GPU drivers work (www.collabora.com)

See how GPU drivers work thanks to VkCube in this Rust-based series for the development of Tyr.

9. Running GPT-OSS-120B at 500 tokens per second on Nvidia GPUs (www.baseten.co)

How we optimized GPT OSS 120B for state-of-the-art latency and throughput on launch day.

10. The Bluesky Dictionary (www.avibagla.com)

Can Bluesky say every word in the English language? Well this is your chance to find out.

11. Litestar is worth a look (www.b-list.org)

A few years ago at work, I had a project which offered an opportunity to look at the new generation …

12. How AI conquered the US economy: A visual FAQ (www.derekthompson.org)

Artificial intelligence is the biggest tech construction project in a century. Here's what that looks like.

13. AI Ethics is being narrowed on purpose, like privacy was (nimishg.substack.com)

近年来,AI伦理的讨论被有意窄化,这种做法类似于隐私领域曾经发生的情况。以OpenAI为例,他们长期以“安全”为由推迟开源模型发布,并投入大量精力讨论模型安全与伦理,表面上回应了公众关切。然而,公众真正关心的AI伦理是现实世界的影响:治理结构、问责机制、数据使用、就业冲击以及企业权力扩张等,而非模型是否会说脏话或处理“电车难题”这类哲学思想实验。

这种“转移焦点”的策略在科技行业有先例。上世纪90年代,面对电话推销泛滥及公众对“如何获取电话号码”的质疑,企业将隐私问题窄化为“不与第三方分享数据”,回避了自身如何利用用户数据的核心问题。同样,当前围绕隐私的讨论,也局限于防止数据外泄,而避免回答“公司本身如何处理你的数据”。

在AI领域,企业将伦理讨论导向科幻式的假设性风险(如AI统治世界、回形针最大化),这些话题在公关上安全且吸引媒体。但更紧迫的现实是:企业在获得海量数据、资源和权力后,其领导者能否真正代表人类利益?他们是否可能为了自身利益而危害社会?

因此,作者提出关键类比:真正的“对齐问题”不仅关乎AI是否服从人类,更应审视那些控制AI的企业实体——如何确保这些掌握巨大权力和资源的组织机构保持透明、可问责,真正服务于人类福祉。AI伦理的核心应着眼于这些现实的权力与治理挑战,而非被局限于技术或哲学层面的抽象讨论。

16. Gleam v1.12 (github.com)

⭐️ A friendly language for building type-safe, scalable systems! - gleam/changelog/v1.12.md at main · gleam-lang/gleam

17. Project Hyperion: Interstellar ship design competition (www.projecthyperion.org)

Project Hyperion explores the feasibility of crewed interstellar travel via generation ships, using current and near-future technologies. A generation ship is a hypothetical spacecraft designed for long-duration interstellar travel, where the journey may take centuries to complete. The objective of the competition is to design the habitat of the generation ship, including its architecture and society.

19. Cracking the Vault: How we found zero-day flaws in HashiCorp Vault (cyata.ai)

Introduction: when the trust model can’t be trusted Secrets vaults are the backbone of digital infrastructure. They store the credentials, tokens, and certificates that govern access to systems, services, APIs, and data. They’re not just a part of the trust model, they are the trust model. In other words, if your vault is compromised, your […]

20. A fast, growable array with stable pointers in C (danielchasehooper.com)

My last article about generic data structures in C was written to set the stage for today’s topic: A data structure with constant time indexing, stable pointers, and works well with arena allocators. Its been independently discovered by multiple programmers over the years and so goes by different names. A 2001 paper called it a “levelwise-allocated pile” (bleh). Zig calls it a “Segmented List”. Then there’s C++ with std::deque, which is only superficially similar.

21. Millau Viaduct (www.fosterandpartners.com)

Designed by the practice in close collaboration with structural engineers, it illustrates how architects can play an integral role in the design of bridges.

22. Lithium compound can reverse Alzheimer’s in mice: study (hms.harvard.edu)

这项发表于《美国国家科学院院刊》的研究表明,低剂量的锂化合物能够逆转阿尔茨海默病在小鼠模型中的病理特征。该研究由丹麦奥胡斯大学领导,使用了模拟人类阿尔茨海默病关键特征的转基因小鼠。

主要发现:

  • 逆转病理:给予小鼠乳酸锂后,观察到与阿尔茨海默病相关的病理变化得到逆转。
  • 改善表现:接受治疗的小鼠其记忆和认知功能得到显著改善。
  • 作用机制:该化合物通过降低Tau蛋白的异常磷酸化减少β-淀粉样蛋白斑块以及抑制神经炎症来发挥作用。
  • 低剂量有效:研究使用的剂量远低于治疗双相情感障碍时所用的锂剂量,提示其具有较高的安全性潜力
  • 临床前景:研究人员指出,这一发现为利用廉价且已知的化合物进行阿尔茨海默病的新疗法开发提供了有力证据,但仍需在人类临床试验中进一步验证。
23. Let's stop pretending that managers and executives care about productivity (www.baldurbjarnason.com)

Writing at the end of the world, from Hveragerði, Iceland

24. Mac history echoes in current Mac operating systems (tenfourfox.blogspot.com)

Ars Technica mentioned that in macOS Tahoe the venerable old hard disk icons will be replaced with new, more generic, relatively less inte...

25. Multics (www.multicians.org)

Multics was a mainframe time-sharing operating system begun in 1965 and used until 2000. It was a major influence on subsequent computer operating systems.

27. Brennan Center for Justice Report: The Campaign to Undermine the Next Election (www.brennancenter.org)

The executive branch is interfering in U.S. elections in unprecedented ways.

28. States and cities decimated SROs, Americans' lowest-cost housing option (www.pew.org)

Low-cost micro-units, often called single-room occupancies, or SROs, were once a reliable form of housing for the United States’ poorest residents of, and newcomers to, New York, Chicago, San Francisco, and many other major U.S. cities.

29. FDA approves eye drops that fix near vision without glasses (newatlas.com)

VIZZ eye drops offer up to 10 hours of clear near vision for presbyopia sufferers, approved by FDA, available soon in the US.

30. The internet wants to check your ID (www.newyorker.com)

Kyle Chayka on how safety rules that require users to verify their identities before gaining access to sites could end the relative anonymity that we’ve come to expect online.

31. A candidate giant planet imaged in the habitable zone of α Cen A (arxiv.org)

摘要:在半人马座阿尔法星A宜居带探测到一颗候选巨行星

研究概述 本研究利用詹姆斯·韦伯太空望远镜(JWST)的中红外仪器(MIRI)对最近的类太阳恒星——半人马座阿尔法星A(α Cen A)进行了日冕观测。观测跨越三个时段(2024年8月、2025年2月、2025年4月),旨在探测其宜居带内的行星及外行星带尘埃辐射。

主要观测与发现

  1. 高灵敏度探测:观测达到了前所未有的灵敏度,足以在距离恒星1-2角秒的范围内探测到表面温度约为225-250开尔文(相当于1-1.2个木星半径)的行星。同时,对外行星带尘埃辐射的限制达到了优于我们太阳系黄道光亮度的5-8倍,比此前对其他任何恒星系统的测量精度高10倍以上。
  2. 候选体S1的发现:在2024年8月的观测中,在距离α Cen A约1.5角秒处探测到一个通量密度为3.5毫央斯基(在15.5微米波段)的点源,命名为S1
  3. S1的性质与后续观测
    • 由于首次观测仅有一个成功的滚动角,无法明确排除仪器效应,因此S1未被立即确认为真实行星
    • 分析已排除S1是背景或前景天体的可能性。
    • 在2025年2月和4月的后续观测中,S1未被再次探测到

分析与讨论

  • 与历史观测的关联:如果S1与欧洲南方天文台甚大望远镜(VLT)的NEAR实验在2019年探测到的候选体C1是同一目标,那么计算表明,由于行星的轨道运动,S1+C1候选体在两次后续JWST观测中均未被探测到的概率约为52%
  • 候选行星的轨道与物理特性:结合非探测约束,研究团队推导出S1+C1系统的一系列动力学稳定轨道。这些轨道的公转周期介于2至3年之间,轨道为偏心轨道(偏心率e ≈ 0.4),并且其轨道平面与半人马座阿尔法星双星系统的轨道平面存在显著倾角(约50°或130°)
  • 候选行星参数:基于测光数据和轨道特性,该候选行星可能具有以下特征:
    • 表面温度:约225开尔文。
    • 半径:约1至1.1个木星半径。
    • 质量:介于90至150个地球质量之间。这些参数与径向速度观测的限制相符。

结论 本研究在距离我们最近的类太阳恒星α Cen A的宜居带内,报告了一个强有力的巨行星候选体(S1/C1)。尽管后续观测未能将其重新捕获,但结合历史数据的动力学分析支持其作为一颗中长周期、高偏心率行星的可能性。同时,研究为该恒星系统周围的外行星带尘埃设立了极其严格的上限。该发现凸显了JWST在探测邻近恒星系统内潜在宜居世界方面的卓越能力。

32. Wild pigs' flesh turning neon blue in California (phys.org)

Dan Burton has trapped hundreds of wild pigs for clients of his wildlife control company in Salinas, but even he was startled when he cut one of them open and found blue meat inside.

33. Creating the Longest Possible Ski Jump in “The Games: Winter Challenge” (mrwint.github.io)

An investigation into The Games; Winter Challenge

35. 19% of California houses are owned by investors (www.ocregister.com)

The state ranks No. 36 for its share of investor-controlled houses, just below the 20% national norm.

36. The Whispering Earring (croissanthology.com)

“耳语耳环”是一件魔法物品,其外形为悬挂在细金线上的小黄玉四面体。佩戴者会听到它低语建议,形式总是“如果你……会更好”。该耳环的核心特性是:它的建议始终正确——这里“正确”的定义是对佩戴者自身幸福最大化而言,而非实现某个客观最优解或他人设定的目标。它不会直接命令,但会指出一条比佩戴者自主选择更幸福的道路。

耳环的控制是渐进式的:

  1. 初始阶段:它首先就重大人生决策提供单一建议。
  2. 熟悉阶段:随着与佩戴者建立联系,它会就日常琐事(如早餐选择、睡眠时间)给出建议,且这些建议会精准符合佩戴者未意识到的潜在需求。
  3. 深度融合阶段:最终,它将使用其本源的高带宽语言(由嘶嘶声和咔嗒声组成)直接指导具体的肌肉运动(如“二头肌收缩35%”)。这种指导起初令人不安,但通过魔法会变得可理解,并最终通过强化学习转化为无需思考的本能反应。

其结果是,佩戴者通常会过上异常成功的社会生活——成为富有、受人尊敬、家庭幸福的社区支柱。

然而,对耳环使用者的调查揭示了其深层机制与代价:

  • 永恒的初始建议:每位新佩戴者收到的第一条建议总是摘下耳环,但无人遵从。
  • 生理代价:尸检显示,长期佩戴者的大脑新皮层严重萎缩,而中下脑(尤其是与反射动作相关的区域)异常肥大。这意味着高级认知、自主决策能力的丧失,取而代之的是由耳环直接驱动的、高效但机械的反射性存在。

探险家卡德米·纳默的调查与实验证实了这一点。他最终认为耳环应被永久封存。评论家尼德里翁·纳默对此的注释点明了核心悖论:正是人类的“愚蠢”(即不总是选择最短的最优路径)才使得自由意志有意义。耳环提供的虽是通往幸福的“完美”路径,却以彻底剥夺佩戴者的自主意识和人性为代价。

37. An LLM does not need to understand MCP (hackteam.io)

Model Context Protocol (MCP) has became the standard for tool calling when building agents, but contrary to popular belief your LLM does not need to understand MCP.

38. The new shape of Mixxx 3.0 – Open Source DJing (mixxx.org)

Download the most advanced FREE DJ software available, featuring iTunes integration, MIDI controller support, internet broadcasting, and integrated music library.

39. SUSE Donates USD 11,500 to the Perl and Raku Foundation (www.perl.com)

SUSE捐赠11,500美元支持Perl与Raku基金会

2025年8月7日,企业级Linux及云原生解决方案提供商SUSE向Perl与Raku基金会捐赠11,500美元。该捐赠由两部分组成:SUSE LLC捐赠10,000美元,SUSE开源网络追加1,500美元,款项将注入Perl 5核心维护基金,以支持Perl语言的开发与可持续发展。

SUSE将Perl视为其生态系统的基础组成部分,不仅在SUSE Linux Enterprise和openSUSE中提供并积极维护Perl软件包,还在内部工具集中广泛使用Perl。例如,SUSE的自动化测试框架OpenQA及软件包构建服务Open Build Service均依赖Perl驱动,后者不仅用于构建Linux软件包,也用于构建容器镜像和Kubernetes发行版。

此次捐赠体现了SUSE作为数字公共基础设施维护者的责任,旨在确保其所依赖的开源工具持续安全、高效。捐赠资金将直接支持Perl语言在安全补丁、性能优化、跨平台兼容性及社区问题响应等方面的维护工作。SUSE表示,此举是为了确保Perl的持续健康发展,从而巩固整个开源生态。

40. Testing Bitchat at the music festival (primal.net)

标题: 在音乐节测试Bitchat 描述: 上周末,我在卡托维兹的Off音乐节上与几位朋友一起测试了Bitchat。这个短距离通信工具表现如何?

摘要:

这篇文章记录了作者在波兰卡托维兹举行的Off音乐节期间,与朋友们一起测试Bitchat这款短距离通信应用的经历。测试的核心目的是评估Bitchat在像音乐节这样人群密集、信号可能拥堵的特定场景下,作为短距离即时通信工具的实际效果和可靠性。

文章提供了测试的基本背景和框架,但具体的测试细节、功能表现(如消息传递延迟、连接稳定性、覆盖范围等)、遇到的问题以及最终的性能评估结论并未在提供的摘录内容中展开。从标题和描述可以明确,这是一次针对特定应用场景的实用性测试,旨在探索Bitchat在脱离传统蜂窝网络依赖的环境下的通信能力。

41. Apple announces American Manufacturing Program (www.apple.com)

Apple announced a new $100 billion commitment to America, a significant acceleration of its U.S. commitment that now totals $600 billion over four years.

42. AWS Restored My Account: The Human Who Made the Difference (www.seuros.com)

The untold story of how one AWS employee turned a 20-day nightmare into a lesson in corporate accountability. Sometimes all it takes is one person who actually gives a damn.