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My first impressions on ROCm and Strix Halo

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💥 Read this awesome post from Hacker News 📖 📂 **Category**: ✅ **What You’ll Learn**: Here I'll share my first impressions with ROCm and Strix Halo and how I've set up everything. 128GB efficiently shared between the CPU and GPU. I'm used to working with Ubuntu, so I stuck with it in the supported 24.04 LTS version, and just followed the official installation instructions. It seems that things wouldn't work without a BIOS update: PyTorch was unable to find the GPU. This was easily done on the BIOS settings: it was able to connect to my Wifi network and download…

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How fatherhood rewires the male mind

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🚀 Discover this awesome post from Hacker News 📖 📂 **Category**: ✅ **What You’ll Learn**: This piqued my curiosity. I am a resolute believer in active fathering, but I had imagined this was a cultural decision by my generation of men. Hrdy's book, however, introduced me to an entire academic field saying that our approach is rooted in biology, just dormant and waiting to be triggered.After interviewing Hrdy and other experts and delving into the studies, I came to a simple conclusion: fatherhood changes men in ways that echo how motherhood transforms women. The more involved a father is with…

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Zero-Copy GPU Inference from WebAssembly on Apple Silicon

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💥 Explore this trending post from Hacker News 📖 📂 **Category**: 💡 **What You’ll Learn**: tl;dr: on Apple Silicon, a WebAssembly module's linear memory can be shared directly with the GPU: no copies, no serialization, no intermediate buffers. The CPU and GPU read and write the same physical bytes. End-to-end, it works: a Wasm guest fills a matrix in its linear memory, the GPU reads it, computes, writes back, and the guest sees the result through the same pointer, same memory, zero copies.Normally Wasm and GPUs are separated by an expensive serialization boundary: on most hardware, getting data from a…

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NASA Shuts Off Instrument on Voyager 1 to Keep Spacecraft Operating

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✨ Explore this awesome post from Hacker News 📖 📂 **Category**: ✅ **What You’ll Learn**: On April 17, engineers at NASA’s Jet Propulsion Laboratory (JPL) in Southern California sent commands to shut down an instrument aboard Voyager 1 called the Low-energy Charged Particles experiment, or LECP. The nuclear-powered spacecraft is running low on power, and turning off the LECP is considered the best way to keep humanity’s first interstellar explorer going. The LECP has been operating almost without interruption since Voyager 1 launched in 1977 — almost 49 years. It measures low-energy charged particles, including ions, electrons, and cosmic rays…

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Optimizing Ruby Path Methods | byroot’s blog

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🚀 Discover this awesome post from Hacker News 📖 📂 **Category**: 📌 **What You’ll Learn**: Back in November last year, I started a new job at Intercom, and one of the first projects I got to work on was improving the Intercom monolith CI with some of my new colleagues. Interestingly, I never got around to talking about CI on this blog, even though I consider it to be one of my main areas of expertise. That topic is way beyond the subject I’d like to talk about here, but just to give a bit of context, a key driver…

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Any Color You Like: NIST Scientists Create ‘Any Wavelength’ Lasers in Tiny Circuits for Light

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✨ Read this awesome post from Hacker News 📖 📂 **Category**: ✅ **What You’ll Learn**: Lindell Williams (left) and Grant Brodnik align an optical fiber with the edge of an integrated photonics chip. Optical fibers act as pipes for light, enabling the light generated on these chips to be collected and routed off the chip for use in experiments and applications. Credit: R. Jacobson/NIST Computer chips that cram billions of electronic devices into a few square inches have powered the digital economy and transformed the world. Scientists may be on the cusp of launching a similar technological revolution — this…

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Downtime Caused by the Postgres Transaction ID Wraparound Problem – SQLServerCentral

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💥 Check out this must-read post from Hacker News 📖 📂 **Category**: ✅ **What You’ll Learn**: IntroductionThis article describes a real PostgreSQL production incident caused by transaction ID wraparound, a failure mode that is both silent and severe. The incident ultimately resulted in a complete write outage. The failure did not occur immediately after a configuration change, nor was it triggered by high load, traffic growth, or infrastructure problems.In PostgreSQL, every write transaction is assigned a transaction ID (XID). These transaction IDs are drawn from a finite, global counter that advances continuously as transactions are executed. To safely reuse transaction…

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The Astonishing Ride of the Abernathy Boys

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🔥 Discover this awesome post from Hacker News 📖 📂 **Category**: ✅ **What You’ll Learn**: Louis “Bud” Abernathy, 10, and his brother, Temple, 6, inherited their father’s spirit of adventure and set out in 1910 to ride their horses more than 2,000 miles from Frederick, Oklahoma, to New York City.Sensational accomplishments ran in the Abernathy family. The boys’ father, Texan Jack “Catch ’em Alive” Abernathy, a United States marshal with a leaning toward picturesque behavior, was born in Bosque County in 1876 and grew up punching cows on his father’s ranch. As an adult, he astonished President Theodore Roosevelt by…

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Traders placed over $1bn in perfectly timed bets on the Iran war. What is going on? | US-Israel war on Iran

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✨ Explore this must-read post from Hacker News 📖 📂 **Category**: 💡 **What You’ll Learn**: Sixteen bets made $100,000 accurately predicting the timing of the US airstrikes against Iran on 27 February. Later, a single user would make over $550,000 after betting that Ayatollah Ali Khamenei would topple, just moments before his assassination by Israeli forces. On 7 April, right before Donald Trump announced a temporary ceasefire with Iran, traders bet $950m that oil prices would come down. They did.These bets and other well-timed wagers accurately predicted the precise timing of major developments in the US-Israel war with Iran, creating…

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Amazon is discontinuing Kindle for PC on June 30th

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🔥 Explore this awesome post from Hacker News 📖 📂 **Category**: 📌 **What You’ll Learn**: Amazon is letting users know, via a pop-up message when using Kindle for PC, that it will be discontinued on June 30, 2026. When this date comes, the app will no longer work, even if you download it from another website. The company has disclosed to Good e-Reader that Amazon is developing a new Kindle for PC app, but it will only be compatible with Windows 11. This will be an app available only to download from the Microsoft Store. The Kindle for PC app…

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