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Banned math book
The applied math classic Courant & Hilbert was banned in Nazi Germany. The US seized the copyright and published an English edition.
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Inside the digital clock from a Soyuz spacecraft
We recently obtained a clock that flew on a Soyuz space mission. 1 The clock, manufactured in 1984, is much more complex inside than you'd ...
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Friend of a Friend: The Facebook That Could Have Been
Why didn't the FOAF standard give us distributed social networking in the 2000s?
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Design Principles Behind Smalltalk (1981)
The purpose of the Smalltalk project is to provide computer support for the creative spirit in everyone. Our work flows from a vision that includes a creative individual and the best computing hardware available. We have chosen to concentrate on two principle areas of research: a language of description (programming…
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In search of 2.11BSD, as originally released
In Search of 2.11BSD, as released Almost all of the BSD releases have been well preserved. If you want to find 1BSD, or 2BSD or 4.3-TAHOE BS...
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Your First THINK C Program
Welcome, child! Come in, come in! I have so few visitors to this little hut. Pull up a chair, and I’ll put on some tea.
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Remembering the LAN
I started programming in the 1990s living above my parent's medical practice. We had 15 PCs for the business, and one for me. The standard OS was MS-DOS. The network started off using IPX over coax to a Novell Netware server, the fanciest software we ever owned. IPX was so much easier than TCP/IP. No DHCP and address…
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My New Old Apple IIe Computer
How I found a vintage Apple IIe computer on the sidewalk and brought it back to life
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Why is Wednesday, November 17, 1858 the base time for OpenVMS?
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A circuit board from the Saturn V rocket, reverse-engineered and explained
In the Apollo Moon missions, the Saturn V rocket was guided by an advanced onboard computer system built by IBM. This system was built fro...
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Are ad blockers doomed or have we already won? A history lesson
AdGuard dives into the history of ad blocking, from the very first banner on the web to present days, and we even have a peek into the future of ads and ad blockers. Let's look back together to better understand what awaits us ahead.
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The Khmer Rouge: Genocide in the Name of Utopia (2016)
How is history used to support ideology? Is violence by a government against its own civilian population ever justified? Why are certain events given priority over others in history books? This les…
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Windows Explorer Through the Years
At a glance comparison of every major Explorer release
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Gerät 32620: the machine that powered numerous number stations
A few years ago, I first stumbled over some recordings of number stations and started reading up on their history. For most of them, we have pretty good guesses who ran them and for what purpose. One example is the Gongs and Chimes Station , known for its melody that got increasingly creepy over the years, the more…
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Pegasus Mail, 30 Years On
Sometime in the last two weeks of 1989, I sent myself an e-mail message: I no longer have it, unfortunately — it was lost in one of many system switches or crashes that happened in those early days... But it was the first message sent by a small MS-DOS application I had written, which at the time was called "ComNet…
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Wirecard – The “German Enron”, and a personal history
For those who just came back from a 15 year space mission: Wirecard is a German company that according to its website is ” one of the world’s fastest-growing digital platforms for fina…
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The Great Toilet Paper Scare of 1973 (2014)
Following a poorly-timed Johnny Carson joke in 1973, millions of Americans hoarded every toilet paper roll on the market and induced a mass hysteria.
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NetHack 3.6.6
This release primarily corrects a security issue present in NetHack versions 3.6.1, 3.6.2, 3.6.3, 3.6.4 and 3.6.5. For details about the security issues please see https://www.nethack.org/security. You are encouraged to update to NetHack 3.6.6 as soon as possible.
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Skate Warrior 1992, 1999, 2020
In The DV Rebel’s Guide, I used this still frame as an example of guerrilla filmmaking taken too far. Which may also be an apt description of the entire film from which it was taken.
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Everything I Know: Buckminster Fuller (1975)
Everything I Know During the last two weeks of January 1975 Buckminster Fuller gave an extraordinary series of lectures concerning his entire life’s work. Jump to Sections Introduction These …
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Remembering Conway
Gosper's Glider Gun in Conway's Game of Life I'd known of Conway since my early teens. I remember reading about his Game of Life in an old Scientific American someone gave me. The article (a quick search tells me) was published in October 1970, so I'm guessing I saw it in the early 70s, perhaps 1972. I was hooked.
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SAS Rescue 3 Trapped British Diplomats in Albania
My diplomatic life true revealing stories behind the hype is a story that takes the sheen off the perception of a glamorous and privileged lifestyle.
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ThinkPad 560E
I’ve been idly looking for one of the mid-90s ThinkPads known to have perfect OpenStep/Rhapsody support for years as a fun collector piece, but been unwilling to pay eBay prices. The other week I scored a pristine IBM ThinkPad 560E for $20 in a Shopgoodwill auction, below is notes on getting it up and running, plus…
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Tiny transformer inside: Decapping an isolated power transfer chip
I saw an ad for a tiny chip 1 that provides 5 volts 2 of isolated power: You feed 5 volts in one side, and get 5 volts out the other si...
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Roman Finger Counting
I recently wrote a final paper on the history of written numerals. In the process, I discovered this fascinating tidbit that didn’t really fit in my paper, but I wanted to put it somewhere. So I’m writing about it here.
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The CPUs of Spacecraft Computers in Space
Many CPUs have been used in space craft, space stations and other such probes. Such CPUs must be highly reliable, and very durable. The temperatures in space, even with heaters, can vary widely. The radiation that a system is exposed too can be immense. So when designing one of these systems designers don't always use…
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Learn to read Middle English
From the highly eclectic blog of Mark Dominus