Nils #Barricelli, #alife pioneer who worked on the IAS machine. #history
More about Nils #Barricelli #alife #history
Kartik on Nils #Barricelli #alife #history
Seems like #van-Emden’s notes on the opposition between the “formulaic paradigm” and the “algorithmic paradigm” goes back further than I thought; in this case he’s contrasting equations with Horn clauses for specifying relational #databases
the #exokernel #paper by Dawson Engler, Frans Kaashoek, and James O’Toole Jr. from 01995. #osdev #kernel
#PDF of the #exokernel #osdev #kernel #paper
#F83 #Forth for #8080 #CPM #retrocomputing
#LCSC #pricing for #CH32V003 #electronics #hardware is 12.45¢ in quantity 500. These are #RISC-V #microcontrollers
#video on #Ukraine #drones #weaponry being caught up with by Russia. Says the Russians have five times as many drones on the front lines, though the number of Ukrainian companies licensed to sell the government drones has risen from 7 “last year” (02022) to 70 “this” year (02023). #politics
a 480-megahertz Cortex-M7 with 128 kibibytes of Flash and a mebibyte of RAM for us$11.27 #microcontrollers #pricing #hardware #electronics
a dual-core 150-megahertz Cortex-M0+ with 2 mebibytes of Flash and a mebibyte of RAM for US$12.92 #microcontrollers #pricing #hardware #electronics
a 600-megahertz Cortex-M7 using external program memory and a mebibyte of ram for US$14.48 #microcontrollers #pricing #hardware #electronics
a 240-megahertz Renesas RX72N with 4 mebibytes of Flash and a mebibyte of RAM for US$20.85 #microcontrollers #pricing #hardware #electronics
#video #Linus on #neural-networks and their possible usefulness for programming
#video #toread on rejecting programming with “SOLID” #todelete
#video #toread on programming #video-games with your own engine
#PDF #paper by Ericsson on how experts acquire #expertise through #deliberate-practice: “Deliberate Practice and Acquisition of Expert Performance: A General Overview”, Academic Emergency Medicine 2008; 15:988–994, 02008. “After some limited training and experience—frequently less than 50 hours for most recreational activities, such as skiing, tennis, and driving a car—an individual’s performance is adapted to the typical situational demands and is increasingly automated, and they lose conscious control over aspects of their behavior and are no longer able to make specific intentional adjustments. For example, people have automated how they tie their shoelaces or how they stand up from sitting in a chair. When performance has reached this level of automaticity and effortless execution, additional experience will not improve the accuracy of behavior nor refine the structure of the mediating mechanisms, and consequently, the amount of accumulated experience will not be related to higher levels of performance.
In direct contrast, aspiring experts continues to improve their performance as a function of more experience because it is coupled with DP. The key challenge for aspiring expert performers is to avoid the arrested development associated with automaticity. These individuals purposefully counteract tendencies toward automaticity by actively setting new goals and higher performance standards, which require them to increase speed, accuracy, and control over their actions, as is shown in the upper arm of Figure 3. The experts deliberately construct and seek out training situations to attain desired goals that exceed their current level of reliable performance.”
#Malawey #video on #precision #mechanisms with #3D-printing: “Borrow a Tolerance!” Lots of wisdom about mechanical engineering and which industrial #manufacturing processes have which drawbacks. He shows a 3-D printed collet as one example of a non-borrowed good tolerance. Demonstrates some 3-D printed springs in I guess ABS, but says you can “borrow a [precision] spring rate” from a spring-steel binder clip, which also doesn’t creep at “any temperature a human can survive”. Borrowing smoothness and toughness from HDPE tubing (from water systems) to make hinges; he sharpens it in a pencil sharpener to get it to go through his #print-in-place hinges more easily. His print-in-place approach has support material between parallel horizontal layers which must be broken free with a spatula or hammer.
#Facebook #USA #censorship #politics of Hunter Biden’s laptop and #covid
Hey, #Mono is getting adopted by #WINE: “Microsoft became the steward of the Mono Project when it acquired Xamarin in 2016.
The last major release of the Mono Project was in July 2019, with minor patch releases since that time. The last patch release was February 2024.
We are happy to announce that the WineHQ organization will be taking over as the stewards of the Mono Project upstream at wine-mono / Mono · GitLab (winehq.org). Source code in existing mono/mono and other repos will remain available, although repos may be archived. Binaries will remain available for up to four years.”
#Minetest mod where you can cut a pizza in the world, with example Lua. #OldCoder on #Mastodon. #video-games
John Regehr on #Mastodon
Archives of the debian-legal #mailing-list. Dismaying dropoff in activity in recent years. #Debian #free-software
#video about the book “Practical #Electronics for Inventors”, basically just paging through the book
#video #EEVBlog about oscilloscopes and designing test engineering #electronics instruments
#video explaining Condorcet’s paradox, Arrow’s paradox, and the basics of #social-choice theory, popularizing several different voting methods
#video of #NurdRage making chloroplatinic acid #materials #bootstrapping #scouting
#video of #Helmke #3D-printing some #mechanisms out of plastic to sort and assemble parts pneumatically with a magazine-fed pneumatic parts feeder for his screws. Sucking them through with a sort of aspirator helped solve some bouncing problems he was having that gave him backwards screws. Finally he wires them together with a CAN bus. #automation #manufacturing
#Clough42 #video of #3D-printing tool drawer organizers for micrometers, calipers, squares, and other metrology tools, using #Gridfinity. Shows #smart-tweezers in passing at 3'35". He prefers PETG or ABS for the drawer organizers because PLA is too brittle.
#video #toread of #bootstrapping #manufacturing potassium permanganate from 40g MnO₂, 55g KOH, 30g KNO₃, 5.5% NaOCl, and 31% HCl #materials #scouting
#video #toread of “turning my home workshop into a robot factory, DIY industrial robot arm, part 1” #manufacturing #automation
#video including a #Ukraine tank invading Kursk getting hit by “Lancet” drone #weaponry and a US-made M1 Abrams tank on Russian soil
#video showing #Forth #retrocomputing with #F83, #F-PC, CHForth, and volksForth running under MS-DOG in DOSBox on a Raspberry Pi
#video by #GreatScott from two years ago endorsing the #Raspberry-Pi RP2040 Pico #microcontrollers #hardware #electronics
#Raspberry-Pi RP2350 #microcontrollers review by #Dmitry Grinberg #electronics
#Durov arrest “represents a dramatic escalation in the online #censorship wars.” #politics #civil-rights #France
#video interview with a diagnosed psychopath
#video on #neural-networks like Luma Lab’s Dream Machine, Kling, and Runway’s Gen-3 Alpha, generating videos; I got 10 out of 17 right guessing which were real and which were AI-generated. Also mentions Udio and Suno, neural networks which make songs.
#video on #neural-networks real-time face swapping #deepfakes with iperov’s open source DeepFaceLive without even a GPU #toread
#video on #Ukraine invading Belgorod, just a #NIT voiceover on stock footage. Video is trash. #politics
#video on #weaponry #drones in #Ukraine, and in particular Ukrainian company Saker’s autonomous target identification software, which has reportedly already destroyed Russian targets in autonomous mode. And then #Anduril. “The cost of killing is getting scarily low.”
#video on a desktop nanoimprinter for research which unfortunately seems to be mostly stock footage. #nanoimprint
#video on today’s #Hizbullah attack on #Israel from Lebanon and Syria. The script is full of very strange euphemisms, like Viagra spam. Pro-Israel propaganda. #politics
#video dramatizing #AI-safety #toread
#video by the Times of India with anti #Israel propaganda by the al Qassam brigades; lots of footage of RPGs
#Kartik’s #video visualizing postfix notation similar to #Forth #UX
#video about Russian soldiers fighting in #Ukraine. Interview with an escaped soldier by #Business-Insider. Makes it sound like the no-man’s-land trench warfare of WWI. He talks a fair bit about #drones, saying that the “night birds” all use thermal cameras, and also describes how he amputated a fellow soldier’s gangrenous arm with an axe. Also, accidentally crawling over corpses trying to hide from a drone. Later he crawled off the battlefield, unable to walk, after getting a grenade from a “night bird”. He relates an incident of two of his companymates getting executed for insubordination (“zeroed out”) because they refused to go to a post where “Baba Yaga” was “fucking them up real bad”. On another occasion he was going to be executed and dumped in a mass grave for supposedly deserting.
#video about a couple in #Ukraine who left Beryslav, near Kherson, after kamikaze #drones bombed their house. Now they’re scared of thunder and wasps. The claim is that there’s no military presence in Beryslav, which has shrunk from 11000 people to about 1000 after hundreds of drone casualties, including 16 deaths. Contrary to what Business Insider’s Russian deserter said, the civilians believed they’d be safer going out at night, when the drones couldn’t see them; in one case a drone blew up an ambulance. It says Russia “quickly caught up” to Ukraine’s initial lead in drone #weaponry. The only hypothesis offered by the Ukrainians is that Russian drone operators are using Beryslav for target practice. A Russian post on Telegram says there are no civilians there, so they’re destroying vehicles to deprive the enemy of mobility. #DeutscheWelle
#video on LCD SLA #3D-printing at costs competitive with injection molding (an ad for #Merit3D). New UV Basics Hard Black resin from Photocentric has pricing of “only” €20/kg; he says prices are 4–5× the costs of thermoplastics because thermoplastics are “already a commoditized item”. Shitty video consisting of 80% talking heads, stock footage, and even stock photos. He holds up an example molded part and says an injection mold would be US$10k to US$20k, and then each part would cost 75¢, while with his company’s machines, it’s US$2–3 per part. For smaller and more complex parts, he says the breakeven point where injection molding is cheaper is closer to 5 million parts. They’re a service bureau rather than a printer vendor. #manufacturing