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The most popular blog posts about hardware & electronics on Hacker News. 4,805 posts.
Outside of a very few specialized fields high-security locks are almost totally unknown. Even in the field of locksmithing where high-security locks are known, they are often misunderstood. Today I am going to offer you a primer on the fascinating world of high-security mechanical locks, the securit
Learn more about what's happening within the tech and cybersecurity industry and the developments in our business and security keys within our Yubico Blog.
Intel Newsroom delivers the latest news, announcements, and updates. Stay informed on Intel innovations.
If you used PCs in the 90s, you probably remember the 'Intel Inside MMX' stickers. This article explores Intel's major attempt at bringing SIMD instructions to mainstream desktop CPUs.
We are excited to announce for the first time that we have received and processed ADS-B signals collected by our autonomous boat. The unmanned surface vehicle, a Wave Glider® manufactured by Liquid Robotics® and managed by Maritime Robotics as part of their new partnership, is receiving ADS-B signals from aircraft…
I needed to log when a light switched on and off during the night as part of debugging an oddly behaving movement sensor. To do that I built...
I had meant to post on this some time back and forgot. I don’t altogether like plug cutters much, but good quality ones work well in drill presses (pillar drill UK). It’s the drill press that’s the problem more than anything. Often when I need a plug
I’m a child of the 1970s and I’m glad I never knew about the Sony FX-300 “Jackal 300.” It would have been the ultimate unobtainable machine of my dreams…this, even des…
After open sourcing Caffe2 at F8 last month, today we are are excited to share our recent work on low precision 16 bit floating point (FP16) training in collaboration with NVIDIA.
The last game I played extensively was "Diablo 2" during the year 2000 when Internet finally became affordable in France. I loved that it was a difficult game to master, I loved the mandatory grinding which made accomplishments meaningful. I loved to trade and the economy players invented.
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I went to Costco the other day with my wife to pick up some Christmas lights. While there, I found the most awesome christmas lights ever: the GE Color Effects G-35 .
Programmable NVIDIA GPUs are very inspiring to hardware geeks, proving that processors with an original, incompatible programming model can become widely used.
Programmers trying to make crypto run fast often say things like "Why can't the CPU designer just add a 128-bit multiplication instruction?" Sometimes these questions turn into academic papers analyzing the cycle counts that would be obtained from various instruction-set extensions. What's missing from most of these…
When I woke up, my RSS reader showed some "occupy thingiverse" things posted on Thingiverse. I'm still trying to figure out all that happen...
Equations governing dynamics and control of a multirotor UAV
This release adds a lot of (long-awaited) new features and important bugfixes to LibrePCB. Highlights Design Rule Check for Boards (#581) Finally the board editor got a design rule check! It checks a PCB for common mistakes like missing connections, too small clearances (or shorts), or too thin copper elements. A new…
The sharpness of a photographic imaging system or of a component of the system (lens, film, image sensor, scanner, enlarging lens, etc.) is characterized by a parameter called Modulation Transfer Function (MTF) , also known as spatial frequency response. We present a unique visual explanation of MTF and how it relates…
A Xerox Alto system on the East coast had Ethernet problems, so the owner sent me the Ethernet board to diagnose. (After restoring our Alto,...
Instructions for building an affordable Faraday cage
Since we got our hands on the new Raspberry Pi 4, we started exploring how various virtualization technologies behave on the board. First thing we tried is how to run Nabla on it and how it compares to native KVM. Next thing we wanted to try is firecracker, the notorious micro-VMM that Amazon Lambda & Fargate run…
