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Show HN: An interactive map of Tolkien's Middle-earth

An interactive map of Tolkien’s Middle-earth, with events from across the legendarium plotted as markers. I have been commuting a fair bit between the East and West coast, and thanks to American Airlines' free onboard WiFi, I was able to vibe-code a

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Tailslayer: Library for reducing tail latency in RAM reads

Article URL: https://github.com/LaurieWired/tailslayer Comments URL: https://news.ycombinator.com/item?id=47680023 Points: 31 # Comments: 9

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Lunar Flyby

Article URL: https://www.nasa.gov/gallery/lunar-flyby/ Comments URL: https://news.ycombinator.com/item?id=47676509 Points: 73 # Comments: 10

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A blind man made it possible for others with low vision to build Lego sets

Article URL: https://apnews.com/article/lego-bricks-for-blind-audio-braille-instructions-5a2a27de4354a0b1443171c3f24f29e4 Comments URL: https://news.ycombinator.com/item?id=47675893 Points: 27 # Comments: 5

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Iranian hackers are targeting American critical infrastructure, US agencies warn

A joint FBI, NSA, and CISA advisory warns that Iranian hackers have 'escalated' their tactics in response to the ongoing U.S.-Israel war with Iran.

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Firmus, the ‘Southgate’ AI data center builder backed by Nvidia, hits $5.5B valuation

Nvidia-backed Asia AI data center provider Firmus has now raised $1.35 billion in six months.

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Chrome finally adds a better way to deal with too many open tabs

Google Chrome's latest update brings vertical tabs and a cleaner Reading Mode to help manage cluttered browsing.

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SCOTUS overturns 5th Circuit ruling that told ISP to kick pirates off Internet

Supreme Court's precedent-setting Cox ruling helps Grande beat music piracy claims.

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Testing suggests Google's AI Overviews tell millions of lies per hour

Is 90 percent accuracy good enough for a search robot?

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“The problem is Sam Altman”: OpenAI insiders don’t trust CEO

OpenAI brainstorms ways AI can benefit humanity in effort to counter bad vibes.

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Cells for NetBSD: kernel-enforced, jail-like isolation

Article URL: https://netbsd-cells.petermann-digital.de/ Comments URL: https://news.ycombinator.com/item?id=47680532 Points: 6 # Comments: 2

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S3 Files and the changing face of S3

Article URL: https://www.allthingsdistributed.com/2026/04/s3-files-and-the-changing-face-of-s3.html Comments URL: https://news.ycombinator.com/item?id=47680404 Points: 38 # Comments: 8

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Show HN: Gemma 4 Multimodal Fine-Tuner for Apple Silicon

About six months ago, I started working on a project to fine-tune Whisper locally on my M2 Ultra Mac Studio with a limited compute budget. I got into it. The problem I had at the time was I had 15,000 hours of audio data in Google Cloud Storage, and

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Assessing Claude Mythos Preview's cybersecurity capabilities

Article URL: https://red.anthropic.com/2026/mythos-preview/ Comments URL: https://news.ycombinator.com/item?id=47679155 Points: 157 # Comments: 17

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Taste in the age of AI and LLMs

Article URL: https://rajnandan.com/posts/taste-in-the-age-of-ai-and-llms/ Comments URL: https://news.ycombinator.com/item?id=47677241 Points: 169 # Comments: 156