5 ms·
A Navajo weaving of an integrated circuit: the 555 timer
- kens 1y agoAuthor here if anyone has questions...
- sophacles 1y agoAny question I have starts with "tell me a lot about the Navajo people"... so no questions for here. Just want to say: good article.
- kens 1y agoI went into a lot more of the Navajo history in my previous article [1] so I didn't repeat it in the new article. The quick summary is that the Navajo suffered a century of oppression, were forced off their land in the Long Walk, and had their sheep slaughtered in the 1930s in the Navajo Livestock Reduction. In the 1960s, the Navajo had 65% unemployment, $300 per capita income, and lacked basic infrastructure. Various groups looked to industrialization as a solution, so Fairchild opened an IC manufacturing facility on Navajo land in 1965, employing 1200 Navajo workers and becoming the nation's largest non-government employer of American Indians. The plant was generally considered a success, but in 1975, Fairchild had business problems and laid off 140 Navajo employees. Things went downhill and a radical group, AIM (American Indian Movement), took over the plant with rifles. The armed occupation ended peacefully after a week, but Fairchild closed the plant and moved production to Asia. [1] https://www.righto.com/2024/08/pentium-navajo-fairchild-shiprock.html https://www.righto.com/2024/08/pentium-navajo-fairchild-ship...
- sophacles 1y agoOh wow, thanks for the info!
- estearum 1y agoJust to be clear since "oppression" is a very broad term: the Navajo (and most other Native American tribes) are victims of genocide. It was a far, far, far more systematic destruction effort than mere marginalization. Children were stolen, forbidden from learning their native language, killed en masse, food supplies were destroyed, land was continuously taken from them the second anything valuable was discovered on it, etc. etc. It's really horrific stuff and the effects are still extremely clear on the reservations today.
- rolph 1y agobetween navajo, and the northernmost south american migrations [i.e. Aztec] it appears northam was colonized thousands of years before anybody else even knew, let alone cared for it.
- amelius 1y agoYes, my question is: did the weaver have any questions?
- kens 1y agoMarilou Schultz asked me to suggest some chips that would make good weavings, and I suggested the 555, among other chips. She also had questions about the different colors and textures in the chip. She notices a lot more about the colors than I do; I look at a chip in terms of functionality and connectivity and don't pay attention to the colors.
- mark-r 1y agoSpeaking of colors, you mentioned the significance of the purple/lavender in the weaving. But I don't see any in the pictures! What am I missing?
- kens 1y agoI haven't seen the weaving in person; I think the colors don't come through clearly in the photo. From talking with the weaver, the lavender is apparently in the metal regions.
- SecretDreams 1y agoCost for a piece like this? It's striking!
- mkl 1y agoFascinating related article about a weaving of a Pentium (linked near the bottom): https://www.righto.com/2024/08/pentium-navajo-fairchild-shiprock.html https://www.righto.com/2024/08/pentium-navajo-fairchild-ship..., discussion a year ago: https://news.ycombinator.com/item?id=41418301 https://news.ycombinator.com/item?id=41418301 (84 comments)
- djmips 1y agoThis is how we pass our chip designs to our descendents so they may rebuild civlization.
- MisterTea 1y agoA very inaccurately timed civilization.
- snickerbockers 1y agoThats on you for not consulting the tolerance band on your resistors.
- datameta 1y agoImagining an ancient theological order with ranks based on color coding...
- rolph 1y agothat could easily pervert to racial castes, but get the cargo-cult vibe, of trying to induce the "benign ones" to come back
- deleted 1y ago[deleted]
- MisterTea 1y agoI'm reminded of this: https://www.electronicdesign.com/technologies/analog/article/21802160/whats-all-this-555-timer-stuff-anyway https://www.electronicdesign.com/technologies/analog/article...
- flitzofolov 1y agoReminds me of "A Canticle for Leibowitz". https://en.wikipedia.org/wiki/A_Canticle_for_Leibowitz https://en.wikipedia.org/wiki/A_Canticle_for_Leibowitz
- manoDev 1y agoThis is the kind of thing that can start conspiracy theories of time travelers :)
- sho_hn 1y agoMy immediate thought was "Nazca lines of a 555? Yes". I have a Displate of a 555 in my little maker corner someone gifted me once: https://eikehein.com/assets/images/makercorner.jpg https://eikehein.com/assets/images/makercorner.jpg
- henrebotha 1y agoI demand to know what that construction of aluminium extrusions is. They're my pet material.
- sho_hn 1y agoA spider bot with the legs folded up :)
- IIAOPSW 1y agoThis is so cool. So if they used twists of steel wires or similar as string for the white parts, they could have a functional circuit.
- xvedejas 1y agoThey'd still need the electrical components, such as the transistors and passive components
- charcircuit 1y agoThe continued popularity of this chip confuses me. I don't understand why it didn't get forgotten decades ago as microcontrollers became common place. Though compared to the Pentium talking on older designs is likely faster to make, so I wonder if he markets himself to an older audience who is nostalgic for these ancient chips.
- moron4hire 1y agoBecause it's fun and there are many readily available DIY designs that use it.
- segfault99 1y agoBack in the day you'd go into an electronics store and there'd be books containing just 555 circuit recipes. Not to mention the magazine articles. And every EE student back when we tied onions to our belts must have had a lab assignment to spec out a PLL using 555 and bits and bobs and then measure transient responses, temperature stability, etc.
- artyom 1y agoYou may be right about nostalgic reasons, but as a freshman during the emergence of microcontrollers, I've asked the same question to and old professor, in the sense of "why discrete digital electronics is still widely used?". His response still resonates with me today: a military grade 555 would work in extreme conditions (e.g. heat), would last pretty much forever, would consume virtually no power, and will still cost you a penny. Sometimes that's exactly what you need. Reliability, durability and cost trumps the power of programmability.
- snickerbockers 1y agoWell even if we assume there's a suitable 8-pin microcontroller which doesn't cost more than the 555, merely loading the firmware onto the microcontroller is going to add significant cost and complexity to the manufacturing stage. Also the microcontroller would be far more sensitive to power supply inadequacies because its state consists of much more than a capacitor and a flipflop.
- zem 1y agoalan dean foster's "cyber way" is a somewhat thematic sf novel
- johnklos 1y agoThis is beautiful. Thank you, Ken, and thank you, Marilou, for sharing :)
- subharmonicon 1y agoSaw an exhibit with some of her work, I think in Albuquerque. Was surprised/delighted to see weavings of circuits.
- drob518 1y agoThe 555 timer is iconic. Just iconic. I wonder how many billions of them have been shipped over the years?
- ajxs 1y agoIt's really fortunate that the history of the 555 timer is really well documented. Its inventor, Hans Camenzind, wrote several books, and even had a Youtube channel in his later years[1]. It's a shame that so many iconic chips that have changed the world aren't so well documented. I went down a real rabbithole a while ago trying to find in-depth information about the Hitachi HD44780. I couldn't even decisively pin down exactly what year it was first manufactured. It's interesting to think of microchip designs as a kind of artistic legacy: Chips like the 555 have had an enormous impact on modern history. 1: https://www.youtube.com/@hcamen https://www.youtube.com/@hcamen
- userbinator 1y agoI couldn't even decisively pin down exactly what year it was first manufactured Likely 1985. https://www.crystalfontz.com/blog/look-back-tech-history-hd44780-controller-data-sheet/ https://www.crystalfontz.com/blog/look-back-tech-history-hd4...
- ajxs 1y agoI did see this article when I was researching, but it's incorrect. You can find references to the HD44780 in earlier catalogs. The earliest reference I can find is 1981: https://archive.org/details/Hitachi-DotMarixLiquidCrystalDisplayControllerandDriverLCD-IIHD44780UsersManualOCR/page/n1/mode/2up https://archive.org/details/Hitachi-DotMarixLiquidCrystalDis... It's also referenced in this catalog from 1982: https://bitsavers.org/components/hitachi/_dataBooks/1982_Hitachi_Full_Line_Condensed_Catalog.pdf https://bitsavers.org/components/hitachi/_dataBooks/1982_Hit... Likely the first year of manufacture was 1981/82.
- userbinator 1y ago
- Pocomon 1y ago[flagged]
- Sanzig 1y agoHow is this cultural appropriation? The artist is Navajo.
- Pocomon 1y ago$ChatGPT: The phrase "Where's the uproar over the cultural appropriation :o" was likely a rhetorical or sarcastic question meant to contrast with the actual situation, where no controversy or uproar exists because Marilou Schultz is a member of the Navajo community creating work that authentically represents her culture.
- kogasa240p 1y agoVery cool art piece!
- tug2024 1y ago[dead]
- segfault99 1y agoBack in the 1980s2H there was a brief fashion trend of woollen knit sweaters with IC mask type patterns. Guessing related to designers playing around with design software and knitting tech made possible by microprocessor revolution.
- BobbyTables2 1y agoWe’ve come full circle - knitting tech was the basis for early computing machines!
- vishnugupta 1y agoJacquard loom!
- cellarmation 1y agoYes, and early core memory was also woven by hand. I am not sure if this was just for core rope memory, or if it was more widespread than that.
- segfault99 1y agoDecember/January 1987 I was doing a vacation EE internship in a power station in Australia. Some of the Hitachi mini computers still used core RAM. This was in an all Hitachi Heavy Industries turnkey coal-fired power station commissioned ca. 1985. Pretty sure they had a reference design from boilers and turbines right down to the hardware and software level and kind of cookie cutter stamped out power stations from it. The Hitachi engineering attitude was obviously "If it works, keep doing it the same way for as long as possible". I was told that for some software (firmware?) updates, they'd simply ship out a new core RAM module -- It's non-volatile after all.
- kens 1y agoEarly core memories were woven by hand, but IBM rapidly automated the process. (Since most computers from the 1950s to early 1970s used core memory, there was a lot of demand.) However, IBM later found that it was cheaper to have the memories assembled by hand in Asia. For detailed information on core memory, see the book "Memories That Shaped an Industry". Core rope is different from core memory and much rarer. Core rope is essentially ROM, using much larger cores with wires going through or around a core, storing 192 bits per core. Core ropes were hand-woven (with machine guidance) for the Apollo Guidance Computer.
- deleted 1y ago[deleted]
- RobertEva 1y agoDelightful crossover: silicon layout turned into textile logic. The 555 is perfect for this—bold pinout, big blocks (comparators + RS latch), and routing that reads from a distance. Add a tiny legend and it’s a great teaching piece.
- robertlutece 1y agoReminded me of this “Navajo weaver inspired by video games”: https://www.youtube.com/watch?v=TrDZIyYSMfI https://www.youtube.com/watch?v=TrDZIyYSMfI
- crucialfelix 1y agoI saw her work at MoMA, loved it. She's 70? That's even more awesome.
- ellingsworth 1y agoThanks for sharing. Similarly, Margo Selby crafted a very large, vibrant 16m textile installation titled ‘moon landing’ based on the work of Navajo women who wove the integrated computer circuits and memory cores that enabled the 1969 moon landing. Until recently it was on display at Canterbury Cathedral. It is accompanied by a musical composition for strings by Helen Caddick. https://www.margoselby.com/pages/moon-landing https://www.margoselby.com/pages/moon-landing
- curtisszmania 1y ago[dead]
- fnord77 1y agobe cool if the creator used semi-conducting threads and it actually worked
- jacquesm 1y agoWhat fascinating glimpse at a part of history that I had no clue about. The main reason Navajo (and other nations) native Americans figured in my 'history of the world' so far was the WWII era communications saga. https://www.nationalww2museum.org/war/articles/american-indian-code-talkers https://www.nationalww2museum.org/war/articles/american-indi...
- swayvil 1y agoThat's a pretty darn cool looking thing. Funny how, guided by pure mechanical necessity, pretty stuff can arise. I've always thought that clockwork, chips and other machines were pretty. And fractals. ( https://fleen.org/i40.png https://fleen.org/i40.png ) And plants and animals too. And weathered rock. Which leads me to consider what isn't pretty. Naivety?