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Inside the 76477 Space Invaders sound effect chip
The 76477 Complex Sound Generation chip (1978) provided sound effects for Space Invaders 1 and many other video games . It was also a pop...
Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 216 posts.
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The mysterious heart of the Roland TR-808 drum machine
The strange story of a rejected batch of transistors at the heart of the world's most iconic drum machine - The Roland TR-808.
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Ten Years of Instapaper
On January 28, 2008, Marco Arment announced a new side project called Instapaper. Ten years and billions of articles later, we’re thrilled to be helping our readers learn, research and experience the Internet removed from the typical distractions.
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An ingenious vintage German cycle map (2014)
We cycled the Swiss part of the Rhine Cycleway last week, with our folding bikes neatly stowed in suitcases for the flight. A combination of cycle.travel (natch), the Cicerone guide, and the excellent MapOut app guided us safely along the way: a very modern combination of mapping styles.
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Star Control II
In this vaguely disturbing picture of Toys for Bob from 1994, Paul Reiche is at center and Fred Ford to the left. Ken Ford, who joined shortly after Star Control II was completed, is to the right.
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The Most Important Software Innovations (2001-2017)
This paper identifies the most important innovations in software, removing hardware advances and products that didn't embody significant new software innovations. Its results may surprise you.
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Evolution of the English Alphabet
Buy the poster | Watch a video explanation
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Great Adventure-Game Puzzles
This blog has become, among other things, an examination of good and bad game-design practices down through the years, particularly within the genre of adventure games. I’ve always tried to take the subject seriously, and have even dared to hope that some of these writings might be of practical use to someone — might…
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How the Å came to be
Major upheavals in printing technology, language, politics, and religion converged in the fourteenth century, setting the stage for a brand…
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“No Man’s Sky” Displayed on the Amiga 1000
It should be evident to anyone viewing this website that I have a bit of a vintage computer obsession. And regular readers who’ve been paying attention over the past year and a half or so likely know that my other … Continue reading →
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Eighteenth Century English mail hacks (2001)
(((It's very clear that the postal system is not a dead medium. However, the physical and economic structure of the posts has undergone profound, elaborate changes over the centuries. Early postal systems often doubled as espionage networks, and were often proverbially corrupt.
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A Swiss Dress from the 16th Century (2015)
(Urs Graf 1517 Since the whole dress on my woodcut isn’t really visible and doesn’t provide any specific details, I collected woodcuts made by Urs Graf, and sorted them into chronologic…
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Why did the golden age of the Simpsons end?
Around this time last year, I wrote a post dissecting the decline of The Simpsons from its peak in the mid 90s finding that the golden age of the show spanned an incredible 214 episodes. As a comparison, Friends, which seemed to have been on TV forever, managed 236 episodes...
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Repairing the card reader for a 1960s mainframe: cams, relays and a clutch
I recently helped repair the card reader for the Computer History Museum's vintage IBM 1401 mainframe. In the process, I learned a lot abou...
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‘We Got to Be Cool About This‘: An Oral History of the LØpht, Part 1
Independent security journalism: news and analysis on intrusions, vulnerabilities, AI, policy and the software supply chain, plus video and podcasts.
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An 8-tube module from a 1954 IBM 705 mainframe: it's a key debouncer
IBM's vacuum tube computers of the 1950s were built from pluggable modules, each holding eight tubes and the associated components. I recent...
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Two player Karateka using a 42 byte patch
One of the first games I ever played on my family’s Apple IIe was the Jordan Mechner master work, Karateka . Fight the bad guys, save the princess – it’s a simple but classic formula. My brother and I would take turns making our way through Akuma’s fortress. Even then, we wanted a two player version.
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Twenty years, 1998 – 2018
Do you remember this exact day, twenty years ago? March 20, 1998. What exactly happened that day? I'll tell you what I did then. First a quick reminder of the state of popular culture at the time: three days later, on the 23rd, the movie Titanic would tangent the record and win eleven academy awards. … Continue…
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Lessons for software developers from 1970s mainframe programming
Meet the experts. Explore the digital magazine where innovators share tech strategies, executive insights, and advancements in AI and IT transformation.
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The -a to -z of Command-Line Options (2003)
Unix tradition encourages the use of command-line switches to control programs, so that options can be specified from scripts. This is especially important for programs that function as pipes or filters. Three conventions for how to distinguish command-line options from ordinary arguments exist; the original Unix…
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The Land Before Binary
In the early days of computing, 1 + 1 didn’t always equal 10
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The Prolog Story (2010)
I’ve told this story in person dozens of times, it’s time to write it down and share it here. I’ve again experimentally recorded a video version (below), which you can view on a non-Flash device here .