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LED lighting (350-650nm) undermines human visual performance unless supplemented by wider spectra (400-1500nm+) like daylight

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🔥 Read this trending post from Hacker News 📖 📂 **Category**: ✅ **What You’ll Learn**: We demonstrate that the visual performance of those working under standard LED is significantly improved by exposure to incandescent lighting that has a spectrum similar to daylight with an extensive infrared component. These data are consistent with the hypothesis that LED lighting undermines human visual performance. This result is consistent with laboratory experiments where specific red/infrared wavelength ranges generated by LEDs have been used to improve visual function in animals and humans in a conserved manner13,16,17. But there are three critical differences from these earlier…

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AI tribalism | Read the Tea Leaves

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💥 Read this insightful post from Hacker News 📖 📂 **Category**: 📌 **What You’ll Learn**: “Heartbreaking: The Worst Person You Know Just Made a Great Point” – ClickHole “When the facts change, I change my mind. What do you do, sir?” – John Maynard Keynes, paraphrased 2025 was a weird year for me. If you had asked me exactly a year ago, I would have said I thought LLMs were amusing toys but inappropriate for real software development. I couldn’t fathom why people would want a hyperactive five-year-old to grab their keyboard every few seconds and barf some gobbledygook into…

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Wine-Staging 11.1 Adds Patches For Enabling Recent Adobe Photoshop Versions On Linux

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💥 Check out this must-read post from Hacker News 📖 📂 **Category**: 💡 **What You’ll Learn**: Following yesterday's release of Wine 11.1 for kicking off the new post-11.0 development cycle, Wine-Staging 11.1 is now available for this experimental/testing version of Wine that present is around 254 patches over the upstream Wine state. Besides re-basing those 250+ patches to the latest Wine Git state, the latest VKD3D Git code is also pulled into Wine-Staging 11.1. There is some new feature work with Wine-Staging... Landing the new patches for enabling the recent Adobe Photoshop versions to successfully install and run under Wine…

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Using PostgreSQL as a Dead Letter Queue for Event-Driven Systems — Blog

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✨ Explore this awesome post from Hacker News 📖 📂 **Category**: ✅ **What You’ll Learn**: While I was working on a project with Wayfair, I got the opportunity to work on a system that generated daily business reports aggregated from multiple data sources flowing through event streams across Wayfair. At a high level, Kafka consumers listened to these events, hydrated them with additional data by calling downstream services, and finally persisted the enriched events into a durable datastore—CloudSQL PostgreSQL on GCP. When everything was healthy, the pipeline worked exactly as expected. Events flowed in, got enriched, and were stored reliably.…

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Report: ICE Using Palantir Tool That Feeds On Medicaid Data

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💥 Read this must-read post from Hacker News 📖 📂 **Category**: 📌 **What You’ll Learn**: EFF last summer asked a federal judge to block the federal government from using Medicaid data to identify and deport immigrants.   We also warned about the danger of the Trump administration consolidating all of the government’s information into a single searchable, AI-driven interface with help from Palantir, a company that has a shaky-at-best record on privacy and human rights.  Now we have the first evidence that our concerns have become reality.  “Palantir is working on a tool for Immigration and Customs Enforcement (ICE) that populates…

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White House alters arrest photo of ICE protester, says “the memes will continue”

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🔥 Check out this trending post from Hacker News 📖 📂 **Category**: ✅ **What You’ll Learn**: Protesters disrupted services on Sunday at the Cities Church in St. Paul, chanting “ICE OUT” and “Justice for Renee Good.” The St. Paul Pioneer Press quoted Levy Armstrong as saying, “When you think about the federal government unleashing barbaric ICE agents upon our community and all the harm that they have caused, to have someone serving as a pastor who oversees these ICE agents is almost unfathomable to me.” The church website lists David Easterwood as one of its pastors. Protesters said this is…

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tldev/posturr: A macOS app that blurs your screen when you slouch. Uses Vision framework for real-time posture detection.

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✨ Discover this awesome post from Hacker News 📖 📂 **Category**: ✅ **What You’ll Learn**: A macOS app that blurs your screen when you slouch. Posturr uses your Mac's camera and Apple's Vision framework to monitor your posture in real-time. When it detects that you're slouching, it progressively blurs your screen to remind you to sit up straight. Maintain good posture, and the blur clears instantly. Real-time posture detection - Uses Apple's Vision framework for body pose and face tracking Progressive screen blur - Gentle visual reminder that intensifies with worse posture Multi-display support - Works across all connected monitors…

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More Than 30,000 Killed in Iran, Say Senior Officials

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🚀 Discover this trending post from Hacker News 📖 📂 **Category**: 📌 **What You’ll Learn**: As many as 30,000 people could have been killed in the streets of Iran on Jan. 8 and 9 alone, two senior officials of the country’s Ministry of Health told TIME—indicating a dramatic surge in the death toll. So many people were slaughtered by Iranian security services on that Thursday and Friday, it overwhelmed the state’s capacity to dispose of the dead. Stocks of body bags were exhausted, the officials said, and eighteen-wheel semi-trailers replaced ambulances.The government’s internal count of the dead, not previously revealed,…

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Alarm overload is undermining safety at sea shows new LR research

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✨ Check out this must-read post from Hacker News 📖 📂 **Category**: ✅ **What You’ll Learn**: New research from Lloyd’s Register (LR) has revealed that excessive and nuisance shipboard alarm systems are routinely overwhelming crews and, in many cases, actively undermining safety at sea.  The findings, published today in Effective Alarm Management in the Maritime Industry are based on data collected from 11 operational vessels, spanning over 2,000 days and more than 40 million alarm-related events.  The study shows that many ships generate thousands of alarms every day, many of which provide little or no operational value. The result is widespread alarm fatigue, disrupted rest periods and a growing erosion of trust in systems that are intended to protect both crews…

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mitjafelicijan/xdgctl: TUI for managing XDG default applications

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🚀 Discover this must-read post from Hacker News 📖 📂 **Category**: ✅ **What You’ll Learn**: xdgctl is a TUI for managing XDG default applications. View and set defaults for file categories without using xdg-mime directly. Built with C using GLib/GIO and termbox2. xdgctl.mp4 Browse by category (Browsers, Text Editors, etc.) Current default marked with * Key Action Arrow Up/Down Navigate through categories or applications Arrow Right/Tab Switch from category list to application list Arrow Left Switch back to category list Enter Set selected application as default for current category Esc / q Quit the application To build xdgctl, you need…

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