The latest blog posts to take off on Hacker News. 4,808 posts.
HFS+ is a terribly old filesystem with serious flaws. I sincerely hope that Apple comes with an update of the filesystem for WWDC 2015. After all they have been working on Swift for the past 4 years and we have just learned about it last week. HFS+ is seriously old HFS+ was released in 1998, in the era of Mac OS…
Can I drop a pacemaker 0day at DefCon that is capable of killing people? Computers now run our cars. It's now possible for a hacker to i...
How many problem domains require wrapping signed integers or non-wrapping unsigned integers? Can the current undefined case be replaced with a trap and everything else be left intact?
Brian Guarraci is a software engineer at Twitter and in his spare time he’s building a Parallella cluster with a design that was inspired by two of the most iconic supercomputers ever made.
During the 2014 trip to China, our supplier YunSun was kind enough to pick us up in Shenzhen and give us a tour of their factory.
Update 2014-07-15: The pre-order period has ended and the Flame is now available as a standard order, with shipping in 7-10 days. The Firefox OS Flame reference device that we ...
I built a robot that mixes drinks named Bar Mixvah. It utilizes an Arduino microcontroller switching a series of pumps via transistors on the physical layer, and the MEAN stack (MongoDB, Express.js, Angular.js, Node.js) and jQuery for the frontend and backend. In this post, I’ll teach you how I made it. You can follow…
They are perhaps the most easily recognizable tiles in space shuttle history. For shuttle watchers, when you see them, you know exactly which shuttle you are looking at. Only space shuttles Columbia and Enterprise are more recognizable. The four other shuttles — Challenger, Discovery, Atlantis and Endeavour — aside…
So this past week has been quite a whirlwind — we wrapped up the Novena campaign and smashed all our stretch goals, concluding with over $700k raised , and I got my hair cut in a bar at midnight by none other than the skilled hands of Lenore of Evil Mad Scientist Laboratories ( I blame Jake ! :). It was an…
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The CD sampling rate has to be larger than about 40 kHz to fulfill the Nyquist criterion that requires sampling at twice the maximum analog frequency, which is about 20 kHz for audio. The sampling frequency is chosen somewhat higher than the Nyquist rate since practical filters neede to prevent aliasing have a finite…
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…
We rescued two PDP-11/34 computers and their associated equipment from a storage unit in the Bronx and have been working on getting them running again. The
Smartphones have a thumb problem. The touchscreen is a magical invention, but it definitely has its shortcomings.
This article is now available in Turkish iPad şarjının iç yapısı and Chinese [中文翻译版本] Apple iPad原装充电器拆解 . Apple sells their iPad charger...
blog about networking, cameras, old gear, and xmpp
I build stuff. Virtual and physical. For both business and pleasure. Join me in my development, design and electronics journey.
We present a new type of augmented mechanical keyboard, sensing rich and expressive motion gestures performed both on and directly above the device. A low-resolution matrix of infrared (IR) proximity sensors is interspersed with the keys of a regular mechanical keyboard. This results in coarse but high frame-rate…
Adapteva is now Zero ASIC - www.zeroasic.com
Over the past few years, I have been slowly but surely building my own music player. It's been a wild ride. The codebase has radically changed several times, but is always converging on a better music listening experience.
So it looks like Samsung is offline this morning . This shouldn't bother me - I don't work for them and their network isn't my problem. However it turns out that my Samsung Smart TV thinks there's no internet if there's no www.samsung.com :( - using tcpdump I started looking at what the TV was trying to contact when I…
