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American Red Cross Asks for Ham Radio Operators for Puerto Rico Relief Effort
The American Radio Relay League (ARRL) is the national association for amateur radio, connecting hams around the U.S. with news, information and resources.
Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 4,805 posts.
Hardware & Electronics
Any year
902
Gentoo Tesla – T2 Edition
Location Voiture Electrique à la journée, le week-end ou au mois. Dès 50€/jour. Oubliez les agences de location. Assurance tous risques.
903
I am giving up on Intel and have bought an AMD Ryzen 9950X3D
The Intel 285K CPU in my high-end 2025 Linux PC died again! 😡 Notably, this was the replacement CPU for the original 285K that died in March, and after reading through the reviews of Intel CPUs on my electronics store of choice, many of which (!) mention CPU replacements, I am getting the impression that Intel’s…
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Starlink Is a Big Deal
Today, I watched a SpaceX Falcon 9 rocket leave Cape Canaveral and deliver 60 small Starlink satellites to Low Earth Orbit (LEO) on the Starlink L3 mission.…
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Building a RISC-V PC
How we assembled a RISC-V desktop computer. (video at the bottom of this post.) While it’s clear that the most significant opportunities for RISC-V will
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Hacking Portable Air Conditioners
I bought a couple EdgeStar AP14001HS portable air conditioners in April 2020, since I expect to spend most of the Summer at home. I'm not able to use window A/Cs here, though that would be the obvious choice for efficiency because all the hot parts remain outside.
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ECC RAM on AMD Ryzen 7000 Desktop CPUs
Getting ECC memory working on desktop CPUs.
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The weird Hewlett Packard FreeDOS option
In this installment: some strange things I discovered when purchasing a FreeDOS laptop from Hewlett Packard. I suspect that the audience for this will be somewhat limited but I had fun exploring this. Perhaps you, dear reader, will find a chuckle in here too.
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Chrome OS is here to stay
We’ve been working on ways to bring together the best of both Android and Chrome OS, but there's no plan to phase out Chrome OS.
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How a Diode Changed My Life
When you are a child, everything seems fascinating, almost everything is magical because you don't know the boundaries of what you have to discover yet.
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Holographic optics for thin and lightweight virtual reality
Facebook Reality Labs (FRL) is always exploring new optical architectures to improve form factor, comfort, and optical performance. Last fall,...
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Basic Facts about GPUs
Making sure I don’t forget what I read.
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Whisper: Nvidia RTX 4090 vs. M1 Pro with MLX
How fast is my Whisper Benchmark with the MLX Framework from Apple? Nvidia 4090 / M1 Pro / M2 Ultra / M3
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Android and RISC-V: What you need to know to be ready
You can build, test, and run the Android support for RISC-V on your own machine.
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New AMD EPYC-based Compute Engine family, now in beta
N2D VMs are the first AMD-based instances on Google Cloud.
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Faster CRC32 on the Apple M1
CRC32 is a checksum first proposed in 1961, and now used in a wide variety of performance sensitive contexts, from file formats (zip, png, gzip) to filesystems (ext4, btrfs) and protocols (like eth…
923
An IRC client in your motherboard
I made a graphical IRC client that runs in UEFI. It’s written in Rust and leverages the GUI toolkit and TrueType renderer that I wrote for axle’s userspace. I was able to develop it thanks to the vmnet network backend that I implemented for QEMU. You can connect to an IRC server, chat and read messages, all from the…
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The Cheapest NAS
I wanted to replace my old trusty 'router' (with an attached HDD)--that was not working as a router, but as a network drive after flashing OpenWRT onto it--I wanter to replace it with an SBC+HDD combo.
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What I Learned From Fixing my Laptop's Motherboard
A month ago I managed to break my laptop, by reversing the polarity of a universal power supply. The repair shop diagnosed the problem as a failed motherboard, and asked for €659 to replace it. I found the price preposterous and the notion of throwing away a motherboard for a single failed component ecologically…
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I put a real-time 3D shader on the Game Boy Color
I made a Game Boy Color game that renders images in real time. The player controls an orbiting light and spins an object.
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27 years later and the Psion 3a is still wonderful (2020)
My daughter found my Psion 3a the other day, tucked at the back of a cupboard she was clearing out for me. It looked fine and is still in excellent aesthetic condition, and fortunately I had left n…
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Coming Soon: Fedora for Apple Silicon Macs
The first official release of Fedora Asahi Remix is slated to be available by the end of August 2023!