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Episode 153 - The Keypact Mystery

לפני שנה 55:07

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תוכן מסופק על ידי Sean S Haas and Sean Haas. כל תוכן הפודקאסטים כולל פרקים, גרפיקה ותיאורי פודקאסטים מועלים ומסופקים ישירות על ידי Sean S Haas and Sean Haas או שותף פלטפורמת הפודקאסט שלהם. אם אתה מאמין שמישהו משתמש ביצירה שלך המוגנת בזכויות יוצרים ללא רשותך, אתה יכול לעקוב אחר התהליך המתואר כאן https://he.player.fm/legal.

When I was down at VCF SoCal I ran into a strange machine: the Keypact Micro-VIP. It's a terminal without a keyboard, covered in dials, with a speaker and a switch labeled "voice". This chance encounter with the unknown sent me down a wild path. It involved the creeping spread of computing, chicken feed, door to door life insurance salesmen, and at least one early hacker.

… continue reading

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#Tech #History #Sean S Haas #Sean Haas #Computer

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Episode 153 - The Keypact Mystery

Advent of Computing

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published לפני שנה

שתפו

MP3•בית הפרקים

תוכן מסופק על ידי Sean S Haas and Sean Haas. כל תוכן הפודקאסטים כולל פרקים, גרפיקה ותיאורי פודקאסטים מועלים ומסופקים ישירות על ידי Sean S Haas and Sean Haas או שותף פלטפורמת הפודקאסט שלהם. אם אתה מאמין שמישהו משתמש ביצירה שלך המוגנת בזכויות יוצרים ללא רשותך, אתה יכול לעקוב אחר התהליך המתואר כאן https://he.player.fm/legal.

When I was down at VCF SoCal I ran into a strange machine: the Keypact Micro-VIP. It's a terminal without a keyboard, covered in dials, with a speaker and a switch labeled "voice". This chance encounter with the unknown sent me down a wild path. It involved the creeping spread of computing, chicken feed, door to door life insurance salesmen, and at least one early hacker.

… continue reading

170 פרקים

#Tech #History #Sean S Haas #Sean Haas #Computer

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How do you make a computer act less like a computer? It sounds like some kind of riddle, but in the early 1960s it was an actual problem. As IBM customers transitioned from tabulators to computers they ran into all sorts of practical issues. Programmers became a hot commodity. But how do you find a programmer in 1959? And how can you even afford such a luxury? Wouldn't it be better if you could just use your new computer as a tabulator? Well, with RPG, all that and more was possible.…

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The LGP-30 is one of my favorite computers. It's small, scrappy, strange, and wonderous. Among its many wonders are two obscure languages: ACT-I and ACT-III. In this episode we are exploring the ACTS, how the LGP-30 was programmed in practice, and why I've been losing sleep for the last few weeks.

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Episode 153 - The Keypact Mystery 55:07

לפני 7 weeks55:07

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55:07

When I was down at VCF SoCal I ran into a strange machine: the Keypact Micro-VIP. It's a terminal without a keyboard, covered in dials, with a speaker and a switch labeled "voice". This chance encounter with the unknown sent me down a wild path. It involved the creeping spread of computing, chicken feed, door to door life insurance salesmen, and at least one early hacker.…

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A special treat from VCF SoCal. While visiting I had the chance to host a panel on restoration and preservation. I was joined by: David from Usagi Electric ( https://www.youtube.com/@UsagiElectric) Rob from Souther Amis ( https://www.southernamis.com/) Jim, Former Executive Director Computer Museum of America ( https://computerhalloffame.org/home/about/)…

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Have you ever looked at an old computer and seen a weird typewriter thing tacked on? In most cases that's a device called a Flexowriter. It's half electric typewriter, half teleprinter, half tape reader, and all business! This episode we are chronicling the rise, fall, and weird business dealings of the Flexowriter.…

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This episode we are taking a trip back to UNIX world. We're looking at IDRIS, the first clone of UNIX. It was supposed to be highly compatible, but use no code from Bell Labs. IDRIS ran on everything from the Intel 8080 up to the IBM System/370. There was even a version that could run MS-DOS programs. Sound too good to be true? Well, that may be the case. Selected Sources: https://archive.org/details/aquartercenturyofunixpeterh.salus_201910/page/n196/mode/1up - A Quarter Century of UNIX https://github.com/hansake/Whitesmiths-Idris-OS - Co-Idris disk images and executables…

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Episode 148 - Is BLISS Ignorance? 1:03:21

לפני 19 weeks1:03:21

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In 1970 a little language called BLISS emerged from Carnegie Mellon University. It was a systems language, meant for operating systems and compilers. It was designed, in part, as a response to Dijkstra's famous Go To Considered Harmful paper. It had no data types. It used the most bizzare form of the pointer I've ever seen. And it was a direct competitor to C. Sound interesting, yet? Selected Sources: https://bitsavers.computerhistory.org/pdf/dec/decus/pdp10/DECUS-10-118-PartII_BlissReadings_Dec71.pdf - Readings on BLISS https://www.cs.tufts.edu/~nr/cs257/archive/ronald-brender/bliss.pdf - A History of BLISS…

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In 1961 Texas Instruments unveiled the Molecular Electronic Computer, aka: Mol-E-Com. It was a machine that fit in the palm of your hand, but had all the power of a much larger computer. This was in an age of hefty machines, which made the achievement all the more marvelous. How was this even possible? It was all thanks to the wonders of molecular electronics, and a boat load of funding from the US Air Force. Selected Sources: https://web.archive.org/web/20160304071831/http://corphist.computerhistory.org/corphist/documents/doc-496d289787271.pdf - Invention of the Integrated Circuit, Kilby https://archive.org/details/DTIC_AD0411614/page/n15/mode/2up - Investigation of Silicon Functional Blocks, TI https://apps.dtic.mil/sti/tr/pdf/AD0273850.pdf - Silicon Semiconductor Networks, TI…

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The Z4, completed by Konrad Zuse in 1945, is a computer with a wild story. It was made from scrounged parts, survived years of bombing raids, moved all around Berlin, and eventually took refuge in basements and stables. In this episode we will follow the Z4's early days, and look at how it fits into the larger picture of Zuse's work. Along the way there is looting, rumors, and even... IBM! Selected Sources: The Computer, My Life - Konrad Zuse's autobiography https://web.archive.org/web/20090220012346/http://delivery.acm.org/10.1145/370000/361515/p678-bauer.pdf?key1=361515&key2=3342588511&coll=&dl=acm&CFID=15151515&CFTOKEN=6184618 - Plankalkul, F.L. Bauer and H. Wossner https://ieeexplore.ieee.org/document/9787324 - Architecture of the Z4, Rojas…

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In 1933 Konrad Zuse, a German civil engineer, caught the computing bug. It would consume the rest of his life. According Zuse he invented the world's first digital computer during WWII, working in near total isolation within the Third Reich. How true is this claim? Today we are looking at Zuse's early machines, the Z1, Z2, and Z3. Selected Sources: The Computer -- My Life, by Konrad Zuse https://arxiv.org/pdf/1406.1886 - Z1 Architecture paper by Rojas https://sci-hub.se/10.1109/85.707574 - Z3... Turing Complete? also by Rojas…

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Episode 141 - Computer Ruins Grocer 18:36

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In 1962 Food Center Wholesale Grocers Inc installed a new IBM 305 RAMAC. That's when things started to go wrong. The faulty machine seemed to have a mind of it's own, and would spread chaos to grocery stores all around Boston. Selected Sources: https://archive.org/details/computerinsecuri0000norm - Computer Insecurity https://bitsavers.computerhistory.org/magazines/Computers_And_Automation/196805.pdf - Computers and Automation article https://archive.org/embed/sim_computerworld_january-01-08-1969_3_1 - Computerworld…

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Programming, as a practice and study, has been steadily evolving for the past 70 or so years. Over the languages have become more sophisticated and user friendly. New tools have been developed that make programming easier and better. But what was that first step? When exactly did programmers start trying to improve their lot in life? It probably all started with assembly language. Well, probably… Selected Sources: https://albert.ias.edu/server/api/core/bitstreams/d47626a1-c739-4445-b0d7-cc3ef692d381/content - Coding for ARC https://sci-hub.se/10.1088/0950-7671/26/12/301 - The EDSAC http://bitsavers.informatik.uni-stuttgart.de/pdf//ibm/periodicals/Applied_Sci_Tech_Newsletter/Appl_Sci_Tech_Newsletter_10_Oct55.pdf - IBM Applied Sci Tech Newsletter…

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1:06:25

The early history of computer games is messy, weird, and surprising. This episode we are looking at HUTSPIEL, perhaps one of the oldest games ever played on a computer. It's a wargame developed to simulate nuclear conflict... and it's 100% analog. Join us as we find out just what tax dollars were being used for in 1955. Selected Sources: https://archive.org/details/hutspiel-a-theater-war-game - The HUTSPIEL paper…

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I'm finally back to my usual programming! This time we are taking one of my patent pending rambles through a topics. Today's victim: the humble type-in program. Along the way we will see how traditions formed around early type-in software, and how the practice shifted over time. Was this just a handy way to distribute code? Was this just an educational trick? The answers are more complex than you may first imagine. Selected Sources: https://s3data.computerhistory.org/pdp-1/DEC.pdp_1.1964.102650371.pdf - LISP for the PDP-1 https://archive.org/details/DigiBarnPeoplesComputerCompanyVol1No1Oct1972 - PCC Issue #1 https://archive.org/details/Whattodoafteryouhitreturn - What To Do After You Hit Return…

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Episode 136 - Getting On TRAC 1:14:40

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1:14:40

Have you ever formed a bad first impression? Way back when I formed a hasty impression of this language called TRAC. It's been called a proto-esoteric language, and for good reason. It's outlandish, complex, and confounding. But, after the urging of some listeners, I've decided to give TRAC a second look. What I've found is, perhaps, more confusing than I ever imagined. This episode we are looking at the wild history of TRAC, how it actually pioneered some good ideas, and why it feels so alien. Selected Sources: https://dl.acm.org/doi/pdf/10.1145/800197.806048 - 1965 TRAC paper https://github.com/gmilmei/trac64 - TRAC64 processor in "modern" C https://dl.acm.org/doi/pdf/10.1145/365230.365270 - 1966 TRAC paper, with more code!…

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Episode 135 - XENIX 1:07:04

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1:07:04

In 1984 SCO released PC XENIX, a port of UNIX that ran on an IBM PC. To understand why that's such a technical feat, and how we even got here, we have to go back to the late 1970s. In this episode we are taking a look at how Microsoft got into the UNIX game, and how they repeatedly struggled to make micro-UNIX work for them. Along the way we run into vaporware, conspiracy, and the expected missing sources!…

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Episode 134 - Beyond the Punch 1:04:10

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1:04:10

This episode I'm opening up my research vault to present some interesting pre-digital technology. Back before computers us humans used to write everything down on paper. Over time that lead to some organizational issues. By 1890 punch cards show up to solve one aspect of this problem, but that technology had it's limitations. We will be looking at other paper-based approaches to data management, as I slowly try and explain a realization I've come to about the early history of hypertext.…

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Episode 133 - LIVE from Intelligent Speech 2023 41:15

לפני 47 weeks41:15

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41:15

I'm currently out traveling. Due to my poor planning I managed to score back to back trips, for both business and leisure. While I'm not able to get an episode out on time, I do have a replacement! In 2023 I was invited to speak at the Intelligent Speech conference. So, today, I present the audio of that talk. The topic is, of course, the wild path of the Intel 8086's creation and rise to power! If you prefer to watch, here's the video of the same talk: https://www.youtube.com/watch?v=6ud8LK3-eAM…

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Episode 132 - The PDP-1 1:15:43

לפני 49 weeks1:15:43

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1:15:43

In 1959 the world bore witness to a new type of computer: the PDP-1. It was the first interactive computer to really make a dent in the market. Some say it was the first minicomputer: a totally new class of machine. But where did this computer come from, and what made it so different from the rest of the digital pack? Selected sources: https://americanhistory.si.edu/comphist/olsen.html - Smithsonian interview with Ken Olsen https://archive.computerhistory.org/resources/access/text/2019/03/102785079-05-01-acc.pdf - Computing in the Middle Ages https://archive.org/details/bitsavers_decBooksBeng_37322315 - Computer Egnineerling, Bell et al.…

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Episode 131 - Computer... Books? 1:03:05

לפני 1 year1:03:05

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I've been feeling like rambling, so it's time for a classic ramble. This time we are looking at the origins of books about computers. More specifically, computer books targeted at a general audience. Along the way we stumble into the first public disclosure of digital computers, the first intentionally unimportant machine, and wild speculation about the future of mechanical brains. No sources listed this time, because I want the journey to be a surprise!…

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Episode 130 - ALGOL, Part II 1:15:32

לפני 1 year1:15:32

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1:15:32

This is a hefty one. I usually try to keep things as accessible as possible, but this time we have to get a little more technical than usual. We are picking up in 1964, with the first proposals for a new version of ALGOL. From there we sail through the fraught waters of ALGOL X, Y, W, and finally 68. Along the way we see how a language evolves over time, and how people and politics mesh with technical issues. Selected Sources: https://dl.acm.org/doi/pdf/10.5555/1061112.1061118 - Successes and Failures of the ALGOL Effort https://sci-hub.se/10.1109/MAHC.2010.8 - Cold War Origins of IFIP https://archive.computerhistory.org/resources/text/algol/algol_bulletin/ - The ALGOL Bulletin…

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Episode 129 - ALGOL, Part I 1:04:54

לפני 1 year1:04:54

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1:04:54

ALGOL is one of those topics that's haunted the show for a while. It comes up any time we talk about programming languages, and with good reason. Many of the features and ideas found in modern languages have their roots in ALGOL. Despite that influence, ALGOL itself remains somewhat obscure. It never reached the highs of a C or LISP. In this series we are going to look at ALGOL from 1958 all up to 1968, keeping a careful eye on how the language evolved, how it's problems were addressed, and how new problems were introduced. Selected Sources: https://www.softwarepreservation.org/projects/ALGOL/paper/Backus-Syntax_and_Semantics_of_Proposed_IAL.pdf - Backus, 1958 IAL report https://algol60.org/reports/algol60_rr.pdf - ALGOL 1960 Report https://dl.acm.org/doi/pdf/10.5555/1060960.1060966 - Cleaning Up Algol…

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Episode 128 - Cryotrons LIVE! 41:49

לפני 1 year41:49

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41:49

Originally presented at VCF SoCal in February of 2024. The cryotron, a superconductive switch, almost revolutionized computing. It's one of those fascinating near misses. In this episode we are talking about the history of the cryotron, how the NSA and supercomputing factors into the mix, and the current state of research into the topic. Did the NSA actually construct a supercomputer that ran in a vat of liquid helium? The answer is... maybe? Video of this talk: https://youtu.be/FqzSGTZ3TMU…

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