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The tiniest yet real telescope I've built
76/300 Pocket Dobson: a tiny yet real telescope that comes with you everywhere
New
The latest blog posts to take off on Hacker News. 4,805 posts.
Hardware & Electronics
Any year
482
Freeing a Xiaomi humidifier from the cloud
Thoughts, stories and ideas about of a code poet, bit juggler & logic wizard.
483
Nokia N900 Necromancy
Building a fake battery, adding a USB-C port, booting from SD card, and giving a new life to a classic Linux smartphone.
484
$5 whale listening hydrophone making workshop
Whale songs were first noticed by accident, when analysts tracking Russian submarines at the height of the cold war heard cetacean interference instead. An engineer sent some recordings to Roger Payne, a biologist friend of his, who did something that proved pivotal: he played the hours-long recordings on his hi-fi at…
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I got an Nvidia GH200 server for €7.5k on Reddit and converted it to a desktop
ML, Biotech, Hardware, and Coordination Problems. Sometimes I write about hard problems and how to solve them.
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The stack circuitry of the Intel 8087 floating point chip, reverse-engineered
Early microprocessors were very slow when operating with floating-point numbers. But in 1980, Intel introduced the 8087 floating-point copro...
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A supersonic engine core makes the perfect power turbine
It started, as many things do these days, by scrolling on X.
488
Using e-ink tablet as monitor for Linux
We will explore how we can use an Android E-ink tablet (or any tablet) as a monitor for Linux computer
489
Let's put Tailscale on a jailbroken Kindle
Jailbreaking a Kindle makes it able to do much more. Adding Tailscale takes the Kindle even further.
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How I discovered a hidden microphone on a Chinese NanoKVM
NanoKVM is a hardware KVM switch developed by the Chinese company Sipeed. Released last year, it enables remote control of a computer or server using a virtu...
492
Touching the Elephant – TPUs
Understanding the Tensor Processing Unit
493
Sam Altman’s DRAM Deal
Or: How the AI Bubble, Panic, and Unpreparedness Stole ChristmasWritten by Tom of Moore’s Law Is DeadSpecial Assistance by KarbinCry & kari-no-sugataBased on this Video: https://youtu.be/BORRBce5TGwIntroduction — The Day the RAM Market SnappedAt the beginning of November, I ordered a 32GB DDR5 kit for pairing with a…
494
Typewriter Plotters (2022)
Did you know there were typewriters that used ball point pens to draw not just text but also graphics? I’ve collected several of these over the years. Read on to discover a world that you didn’t know existed.
495
BMW PHEV: Safety fuse replacement is extremely expensive
2021 > PHEV BMW iBMUCP PHEV Post-Crash Recovery — When EU engineering becomes a synonym for “unrepairable” + “generating waste”. If you own a BMW PHEV — or if you’re an insurance company — every pothole, every curb impact, small or large incideng and even any rabbit jumping out of a bush represents a potential…
496
The RAM shortage comes for us all
Memory price inflation comes for us all, and if you're not affected yet, just wait. I was building a new PC last month using some parts I had bought earlier this year. The 64 Gigabyte T-Create DDR5 memory kit I used cost $209 then. Today? The same kit costs $650! Just in the past week, we found out Raspberry Pi's…
497
Scientists create ultra fast memory using light
Novel "photonic latch" technology paves the way for ultra-fast, light-based computing for AI and data centers.
498
Why doesn't Apple make a standalone Touch ID?
I finally upgraded to a mechanical keyboard. But because Apple's so protective of their Touch ID hardware, there aren't any mechanical keyboards with that feature built in. But there is a way to hack it. It's incredibly wasteful, and takes a bit more patience than I think most people have, but you basically take an…
499
8086 Microcode Browser
Since releasing 486Tang , I’ve been working on recreating the 8086 with a design that stays as faithful as possible to the original chip. That exploration naturally led me deep into the original 8086 microcode — extracted and disassembled by Andrew Jenner in 2020.
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Micron Announces Exit from Crucial Consumer Business
BOISE, Idaho, Dec. 03, 2025 (GLOBE NEWSWIRE) - Micron Technology, Inc. (Nasdaq: MU), a leader in innovative memory and storage solutions, today announced its decision to exit the Crucial consumer business, including the sale of Crucial consumer-branded products at key retailers, e-tailers and distributors worldwide…
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Steam Deck lead reveals Valve is funding ARM compatibility of Windows games
Steam Deck creator Pierre-Loup Griffais explains that Valve is funding ARM compatibility layers for future ultraportables.
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Kohler Can Access Pictures from "End-to-End Encrypted" Toilet Camera
Claimed end-to-end privacy doesn’t fully conceal your rear-end data
504
All about automotive lidar
A comprehensive overview of automotive lidar technology — what lidar measures, how it measures distance, and how it determines bearing.
505
Google unkills JPEG XL?
A quick summary of the format's road to stardom
506
A vector graphics workstation from the 70s
A bit of history and a repair of a Tektronix 4051 graphical computer from 1975. What was this computer's place in history, what was it used for and what parts exploded when turning it on.
507
1GB Raspberry Pi 5, and memory-driven price rises
A new 1GB Raspberry Pi 5 maintains access to low-cost computing amid memory-driven price rises on some other Raspberry Pi products.
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Bikeshedding, or why I want to build a laptop
I’m sure I’m not the only one who feels Apple’s quality is degrading. I spend 10 hours a day on my laptop and would spend any amount of money within reason for a better one. However, everything comes with tradeoffs.
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What's Hiding Inside Haribo's Power Bank and Headphones?
CT scans reveal severe battery defects inside Haribo’s 20,000 mAh power bank and earbuds, explaining their quiet removal from Amazon.