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A world without the Mac Pro
It’s looking increasingly likely that there will never be another Mac Pro. Here’s why that would be a shame.
Topics /
Hardware & Electronics
The most popular blog posts about hardware & electronics on Hacker News. 4,806 posts.
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The iOS option to charge battery to "80% Limit" shouldn't just be for iPhone 15
[There is very lively discussion on Reddit, where it’s trending at #1 both on r/ios and r/apple . There are a bunch of worthy suggestions there on how to improve the feature even more, but one thing’s clear: iPhone users would love to see this come to more devices.]
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The Sad Saga of the 500 MHz Power Mac G4
In August 1999, Apple announced the first Power Mac G4: 1 The Power Mac G4 is powered by the revolutionary new PowerPC G4 chip architected by Apple, Motorola and IBM, and is the first personal computer in history to deliver supercomputer-level performance of over one billion floating-point operations per second. The…
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The Leica Q: A six month field test
An extensive review of the Leica Q camera — taken on a six month test in the field, in multiple shooting scenarios and multiple environments.
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Replacing Liquid Metal on an Asus Zephyrus G15's CPU
I’ve been using the Asus ROG Zephyrus G15 as my daily driver for a few years now. Laptops (gaming laptops especially) pack a lot of heat-generating components in a small and thin space, where the only airflow comes from the small blower fans in the system. In the case of the Zephyrus G15, there’s approximately 120…
4237
How a bad RJ45 termination can ruin a cable
There are at least two good ways to make a bad Ethernet cable. One can start with badly-made bulk cable -- this seems to be the usual explanation for Chinese-made Ethernet cables -- or one can take good cable and do a terrible job of putting connectors on it. Some types of connectors -- a crimp BNC, for example -- are…
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Researchers achieved 1,270 Wh/L in an anode-free lithium metal battery
[POSTECH, KAIST, and Gyeongsang National University achieve a record-breaking energy density of 1,270 Wh/L]
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YubiKey comes to the iPhone with Mobile SDK for iOS and LastPass support
YubiKey iOS support is here. For developers, we now offer Yubico Mobile SDK for iOS, and LastPass supports the YubiKey NEO over NFC on iOS.
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Playing Atari ST Music on the Amiga with Zero CPU
How to emulate an Atari YM2149 audio chip on Amiga at litteraly 0 CPU cost, by Arnaud Carré
4244
What is Electricity? (1996)
What is electricity? This question is impossible to answer because the word " Electricity " has several contradictory meanings. These different meanings are incompatible, and the contradictions confuse everyone. If you don't understand electricity, you're not alone. Even teachers, engineers, and scientists have a hard…
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Converting a Go-Kart into a Deathtrap
Este artículo también está disponible en Español 🇪🇸
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LoRa: Field Testing Antennas
Learn about three different antennas carried by SparkFun, and determine which will suit your long-range needs!
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Minstrel ZX80 Clone
Here is a new ZX80 clone that I have called the Minstrel. It is a fairly accurate clone electrically to the ZX80, using the same chips and ...
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Cheap BlueTooth Buttons and Linux
Selfie sticks - like most modern inventions - are utter tosh. But they've rapidly brought down the price of Bluetooth buttons. So who am I to complain? Let's take the venerable AB Shutter 3 - You can find it on Amazon for around £2 including postage - or around $2 on AliExpress. Frankly, that's stupidly cheap. OK…
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3D Printed Film Video Camera
An expensive and unreliable way to record low quality videos!
4252
Seagate Barracuda Ramp Weakness (2016)
During a recent RAID 5 recovery attempt, John made an interesting discovery inside the two failed disks. The plastic ramp that the heads park onto when idle had snapped in the same position on both drives. We don’t know if the heads got damaged first, and then broke the ramps during parking, or if the […]
4253
Reverse-engineering a mysterious Univac computer board
The IBM 1401 team at the Computer History Museum accumulates a lot of mystery components from donations and other sources. While going thr...
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Xen on Raspberry Pi 4
The Xen Project is excited to share that the Xen Hypervisor now runs on Raspberry Pi. This is an exciting step for both hobbyists and industries. Read more to learn about how Xen now runs on RPi and how to get started. Written by Stefano Stabellini and Roman Shaposhnik, originally
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Capturing PAL video with an SDR, and a few dead ends
A blog about signals, programming, music, and other stuff.
4258
A completely rebuilt, digitally-enabled Polaroid SX-70 camera
A completely rebuilt digital Polaroid SX-70 camera
4259
A Piece of Apple II History Cracks Open
The world of Apple II “cracking” has always held an interesting fascination for me – the thinking involved, the magic of tracing programs, and of course the “crack screens&#…
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SLAC researchers find proof of altermagnetism, a new magnetic phase
The team is the first to directly observe a unique property in an altermagnetic candidate material, key evidence of a new phase of magnetism.