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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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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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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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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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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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Learn to read Middle English
From the highly eclectic blog of Mark Dominus
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What would happen if computers never got any faster?
My first computer was a BBC Micro. It could do basic graphics at a resolution of 640×256 - with 8 different colours. Not a typo. Eight! The mono speaker produced bleeps and bloops. It was basic, in all senses of the word. Eventually, talented hackers found a way for it to do simplistic 3D graphics and even speech…
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Iron, How Did They Make It, Part III: Hammer-Time
Bret Devereaux (A Collection of Unmitigated Pedantry)2020175 points23 commentscited by 5History & Retro Computing details
This week, we continue our four-part (I, II, III, IVa, IVb, addendum) look at pre-modern iron and steel production. Last week we took our ore and smelted it into a rough, spongy mass of iron called…
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Which Machines Do Computer Architects Admire? (2013)
The Toolsmith Conference was held in Chapel Hill, NC, in October, 2001, to honor Fred Brooks. Dr. Brooks was a student of Howard Aiken at Harvard, joined IBM to work on the Stretch Project, and later served as chief architect of the IBM S/360. He founded the Computer Science Department at UNC-Chapel Hill in 1964 and…
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It used to be simpler to teach Unix
When I began teaching Unix around anno 1986, the Unix ls(1) utility printed a list of files to stdout, one per line. It was trivial to explain the concept of not requiring a program which tells you...
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Where Did Combinators Come From? Hunting the Story of Moses Schönfinkel
A dive into the unknown personal and academic history of the mathematician who developed combinators, Moses Schönfinkel.
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The Web is the Next Platform (1995)
I started working full-time on what became Internet Explorer 1.0 in early October, 1994, grew the engineering team to 67 individuals by the time we shipped IE 3.0 in August, 1996, and got very litt…
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Reverse Engineering the PLA Chip in the Commodore 128
As I mentioned in my last post I’ve been working on reverse engineering the PLA chip in the C128. I’m now mostly done with this process so I think it’s time to share some of the findings.
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The Largest Gypsy Ghetto in Europe – Stolipinovo, Bulgaria (2016)
Recently listed as the number one worse place on the planet to take a short vacation, Stolipinovo is a shocking parallel world that defies belief.