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New
The latest blog posts to take off on Hacker News. 3,046 posts.
Hardware & Electronics
Any year
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Intel i7 loop performance anomaly
Recently I've been doing some benchmarking and came upon a very surprising behavior from a number of different Intel i7 CPUs (it manifests on Sandy Bridge and Haswell desktop-class CPUs as well as Sandy Bridge-EP Xeon CPUs).
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Why You Can't Build a Smartphone
Every day or so I read another blog post (or ranting comments) about how BlackBerry could be rehabilitated, or how Nokia could restart Maemo and build the ultimate smartphone again. Things came to a head after Jolla announced their first phone for sale. Surely this phone with an amazing user interface will vindicate…
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Powerchair: A dad hacks a wheelchair for his disabled 2-year-old son
We wanted Alejandro to have a power wheelchair. We wanted him to be able to move through the world by his own volition and it’s clear that the ability to independently explore his environment is important for his cognitive development on multiple levels. We tried going through the typical process of obtaining a power…
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An engineer's emergency kit business card
NEW! You can now buy a version of this board! (Read more .) Circuit board business cards have been done . But since circuit boards ...
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Developer ports iOS core to non-Apple hardware
Reecently, I achieved one of the core milestones of my personal project, porting the Darwinkernel to the ARM architec...
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Do-it-yourself EEG, EKG, and EMG
Do-it-yourself EEG, EKG, and EMG Source: https://sites.google.com/site/chipstein/home This site features things related to my interests...
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Mac Pros, Ara, and Modularity
Early yesterday Motorola announced their ambitious Ara project - a modular phone with interchangable parts and features. In theory it sounds great - battery running low? Swap in a new one. Need a bigger camera for that trip you're going on? Pop one in - no need for that big DSLR.
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Seagate just reinvented the disk interface using Ethernet
There’s no doubt that cloud computing is the future of IT infrastructure. Its scalability, ease of access and capacity for analysing vast amounts of data has made it integral to how businesses, organizations, and end-users use the internet.
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The PC is not dead, we just don't need new ones
When was the last time you needed to buy a new PC? Two years ago? Three years ago? The last PC I built was in 2009. I had to upgrade because I pushed the previous one I built to the limit and that was
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Faking Bluetooth LE
Dmitry.GR: Creating BTLE-compliant advertisement packets, so that iOS and android devices can see and parse them.
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Future instruction set: AVX-512
Software optimization resources | E-mail subscription to this blog | www.agner.org
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How to Write Safe Verilog: Become a PL Troll
Troll? That's how people write Verilog 1 . At my old company, we had a team of formal methods PhD's who wrote a linter that typechecked our code, based on our naming convention. For our chip (which was small for a CPU), building a model (compiling) took about five minutes, running a single short test took ten to…
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Why Phonebloks Will Never Happen
On September 13th 2013 George Hahn wrote a popular blog post titled “Why the PhoneBloks phone will never happen”. Still to this day, PhoneBloks remains only a concept without any concrete plans to go to market.
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The Z-80 has a 4-bit ALU. Here's how it works.
The 8-bit Z-80 processor is famed for use in many early personal computers such the Osborne 1, TRS-80, and Sinclair ZX Spectrum, and it is s...
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I couldn't wait for the new Mac Pro
For those of you coming from Hacker News wondering why I need OS X it’s because I’m an indie developer that makes this. I’m not sure if it was the after the 4th or 5th time my Macbook Air hard crashed rendering in Final Cut Pro that my planned upgrade timing would need to be brought forward. In any case, the writing…
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Reversing Sinclair's amazing 1974 calculator hack - half the ROM of the HP-35
Register-level simulator of the Sinclair Scientific calculator
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Leap Motion: Amazing, Revolutionary, Useless
I desperately want it to work, don't you? Just like Minority Report. You wave ...
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Hacking Transcend WiFi SD Cards
UPDATE : This post has been featured in the Hacker News front page! Thanks! I have also updated this post with additional information (at t...
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Hard drive hack provides root access, even after reinstall
Apart from this article, I also gave a talk at OHM2013 about this subject. The video of that talk (minus the first few minutes) is now online .
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Hyperloop lets you travel on a resonant acoustic wave?
Elon Musk is a fascinating guy, and his Hyperloop concept equally so. Now that the details have started trickling out, almost in the form...