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Old Vintage...
The "35-cent" Commodore 64 softmodem Rockwell famously used 6502-based cores in modems for many years, but that doesn't mean other 6502s...
7 months ago
35
7 months ago
Rockwell famously used 6502-based cores in modems for many years, but that doesn't mean other 6502s couldn't be used. If only there were a way to connect a Commodore 64's audio output directly to an RJ-11 plug ... Convergent WorkSlate stuff I've got to catalogue. Officially...
Arduino Blog
The Swervebot is an omnidirectional robot that combines LEGO and 3D-printed parts Robotic vehicles can have a wide variety of drive mechanisms that range from a simple tricycle setup...
7 months ago
54
7 months ago
Robotic vehicles can have a wide variety of drive mechanisms that range from a simple tricycle setup all the way to crawling legs. Alex Le’s project leverages the reliability of LEGO blocks with the customizability of 3D-printed pieces to create a highly mobile omnidirectional...
Ken Shirriff's blog
Reverse-engineering a carry-lookahead adder in the Pentium Addition is harder than you'd expect, at least for a computer. Computers use multiple types of adder...
7 months ago
80
7 months ago
Addition is harder than you'd expect, at least for a computer. Computers use multiple types of adder circuits with different tradeoffs of size versus speed. In this article, I reverse-engineer an 8-bit adder in the Pentium's floating point unit. This adder turns out to be a...
Arduino Blog
A Game Boy is the worst and best option for a car’s dash If your car was made in the last decade, its dash probably has several displays, gauges, and...
7 months ago
53
7 months ago
If your car was made in the last decade, its dash probably has several displays, gauges, and indicator lights. But how many of those do you actually look at on a regular basis? Likely only one or two, like the speedometer and gas gauge. Knowing that, John Sutley embraced...
Willem's Blog
Master of Change In this post I discuss the brilliant book Master of Change by Brad Stulberg, providing a...
7 months ago
76
7 months ago
In this post I discuss the brilliant book Master of Change by Brad Stulberg, providing a thought-provoking guide to thrive in a changing world.
Birchtree
Comfort Zone predicts tech in 2025 In this very special episode, the gang makes their "Pro" and "Pro Max" predictions for tech in 2025...
7 months ago
48
7 months ago
In this very special episode, the gang makes their "Pro" and "Pro Max" predictions for tech in 2025 and oh my, does it get wild! Who's best clued into the tech coming this year? Who is just wish-casting their way to third place? This
lcamtuf’s thing
Investigating an "evil" RJ45 dongle Reverse-engineering hardware can be difficult -- but sometimes, all you need is a comfy armchair and...
7 months ago
83
7 months ago
Reverse-engineering hardware can be difficult -- but sometimes, all you need is a comfy armchair and some Google Translate.
Jorge Arango
LLMs Give You Power User Abilities LLMs are a general-purpose technology with seemingly endless use cases. Among my favorite is...
7 months ago
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7 months ago
LLMs are a general-purpose technology with seemingly endless use cases. Among my favorite is unlocking the potential of other technologies. For example, all modern “desktop” OSs come with shell environments. If you know a bit of scripting, you can automate tasks in ways that go...
Odds and Ends of...
Yes, AI really can be used to tackle potholes It's not bullshit, it's already happening.
7 months ago
Notes on software...
Logical replication in Postgres: Basics This is an external post of mine. Click here if you are not redirected.
7 months ago
Good Enough
There's no “A” or “I” in “Jelly” The second half of 2024 was definitely an inflection point in the world of software. Large Language...
7 months ago
84
7 months ago
The second half of 2024 was definitely an inflection point in the world of software. Large Language Models (LLMs) and generative AI started to permeate products everywhere, from chatbots to operating systems, and at times it felt like everyone was taking part in a race to...
Birchtree
Meta, moderation, and whose freedoms come first A lot has been said about Meta’s recently-announced moderation changes, so I won’t add too much to...
7 months ago
53
7 months ago
A lot has been said about Meta’s recently-announced moderation changes, so I won’t add too much to your reading backlog today, but I did want to comment on it after letting it simmer in my head for a bit. Let me just start by repeating the
Odds and Ends of...
Odds and Ends #52: A right to air conditioning? Plus how New Zealand solved a housing crisis, dodgy Chinese robotaxis and Newsnight reviewing...
7 months ago
lcamtuf’s thing
Random object: Sony Mavica MVC-FD73 Floppy disk digital cameras, or why our views of technological progress are not always rooted in...
7 months ago
Good Enough
TIL: Tiptap Excerpt Extension with Rails While building Pika’s Stream of posts layout, we had need to add the capability to manage excerpts...
7 months ago
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7 months ago
While building Pika’s Stream of posts layout, we had need to add the capability to manage excerpts in the Pika editor. These excerpts would be used to show a small portion of your post in a post stream while offering a “continue reading” link for readers to click to read the rest...
Birchtree
First look at my next big thing (members post) I've been working on something new, but it's not ready for prime time.
7 months ago
./techtipsy
Backing up another PC with a single Ethernet cable I was in a pinch. I needed to make a full disk backup of a PC, but I had no external storage device...
7 months ago
62
7 months ago
I was in a pinch. I needed to make a full disk backup of a PC, but I had no external storage device with me to store it on. The local Wi-Fi network was also way too slow to transfer the disk over it. All I had was my laptop with an Ethernet port, a Fedora Linux USB stick, and a...
Joey's Hoard of...
I Ditched the Algorithm for RSS—and You Should Too <img src="/assets\images\blog_posts\2025_01_12-rss\banner.png" alt="An image of a banner cartoon of...
7 months ago
anderegg.ca
Two flavours of open social media Yesterday, the Mastodon team announced it would be handing over control of its project to a new...
7 months ago
64
7 months ago
Yesterday, the Mastodon team announced it would be handing over control of its project to a new non-profit organization. The timing of this announcement is perfect given everything that’s happening with WordPress, Meta, and… well, everything else. To date, I think Eugen Rochko...
Jorge Arango
Gall’s Law Strikes Again: the Sonos Debacle Update: in the afternoon of January 14, news emerged that Sonos CPO Maxime Bouvat-Merlin is also...
7 months ago
49
7 months ago
Update: in the afternoon of January 14, news emerged that Sonos CPO Maxime Bouvat-Merlin is also leaving the company. Sonos CEO Patrick Spence is out, felled by last year’s disastrous app launch. I have no inside track on what happened, but from what I’ve read, Sonos’s leaders...
Odds and Ends of...
5 questions about the "AI opportunities action plan" What the lobby should have asked.
7 months ago
Arduino Blog
This robot can dynamically change its wheel diameter to suit the terrain  A vehicle’s wheel diameter has a dramatic effect on several aspects of performance. The most obvious...
7 months ago
55
7 months ago
A vehicle’s wheel diameter has a dramatic effect on several aspects of performance. The most obvious is gearing, with larger wheels increasing the ultimate gear ratio — though transmission and transfer case gearing can counteract that. But wheel size also affects mobility over...
GitButler
Why is Git Autocorrect too fast for Formula One drivers? Why does Git's autocorrect wait 0.1s before executing a mistyped command? Let's dig in.
7 months ago
Construction Physics
Why Skyscrapers Became Glass Boxes Everything put into the building that is unnecessary, every cubic foot that is used for purely...
7 months ago
68
7 months ago
Everything put into the building that is unnecessary, every cubic foot that is used for purely ornamental purposes beyond that needed to express its use and to make it harmonize with others of its class, is a waste — is, to put it in plain English, perverting someone’s money —...
latest projects -...
Fluid Simulation Pendant [Hardware] Wearable real-time FLIP device
7 months ago
Never Met a Science
in the belly of the MrBeast what does MrBeast mean?
7 months ago
Jorge Arango
New Podcast: “Traction Heroes” I’m excited to share with you a new podcast: Traction Heroes. The first episode is now up on the...
7 months ago
54
7 months ago
I’m excited to share with you a new podcast: Traction Heroes. The first episode is now up on the major podcasting platforms. You can also see show notes and get the RSS feed at www.tractionheroes.com. Here’s the backstory. My previous podcast, The Informed Life, originated as a...
Odds and Ends of...
New event! How AI can (maybe) fix the government! Book your tickets now!
7 months ago
Applied Cartography
Truncating timedeltas in Django Consider a fan-out-ish model that you want to aggregate a bunch of: likes on a post, for...
8 months ago
64
8 months ago
Consider a fan-out-ish model that you want to aggregate a bunch of: likes on a post, for instance. class Post(models.Model): created_at = models.DateTimeField() class Event(models.Model): post = models.ForeignKey(Post, on_delete=models.CASCADE) created_at =...
Nabeel S. Qureshi
Principles // This was originally a Google Doc where I gathered hard-won life lessons; eventually I open...
8 months ago
63
8 months ago
// This was originally a Google Doc where I gathered hard-won life lessons; eventually I open sourced it. It got a great response, including a shoutout from Tim Ferriss, so here it is on Substack.
Ken Shirriff's blog
It's time to abandon the cargo cult metaphor The cargo cult metaphor is commonly used by programmers. This metaphor was popularized by Richard...
8 months ago
63
8 months ago
The cargo cult metaphor is commonly used by programmers. This metaphor was popularized by Richard Feynman's "cargo cult science" talk with a vivid description of South Seas cargo cults. However, this metaphor has three major problems. First, the pop-culture depiction of cargo...
Arduino Blog
This maker designed a custom flight controller for his supercapacitor-powered drone Basic drones are very affordable these days—you can literally find some for less than the cost of a...
8 months ago
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8 months ago
Basic drones are very affordable these days—you can literally find some for less than the cost of a fast food drive-thru meal. But that doesn’t mean drones are easy to control. That is actually quite difficult, but manufacturers are able to work off of established reference...
Birchtree
📕 I recommend: Co-Intelligence: Living and Working with AI Hey everyone, this post is for everyone, but it’s a part of a new series I’m doing on More Birchtree...
8 months ago
55
8 months ago
Hey everyone, this post is for everyone, but it’s a part of a new series I’m doing on More Birchtree where I review the books and games I read and play in 2025. My movie reviews have been a relative hit on social media for the
watchTowr Labs
Exploitation Walkthrough and Techniques - Ivanti Connect Secure RCE (CVE-2025-0282) As we saw in our previous blogpost, we fully analyzed Ivanti’s most recent unauthenticated Remote...
8 months ago
75
8 months ago
As we saw in our previous blogpost, we fully analyzed Ivanti’s most recent unauthenticated Remote Code Execution vulnerability in their Connect Secure (VPN) appliance. Specifically, we analyzed CVE-2025-0282. Today, we’re going to walk through exploitation. Once again, however,...
Jorge Arango
Humanities Crash Course: Week 2 I’m embarking on a year-long crash course in the humanities. These are my notes for week...
8 months ago
51
8 months ago
I’m embarking on a year-long crash course in the humanities. These are my notes for week 2. Following Ted Gioia’s curriculum, I tackled a small volume of early Greek poetry and the first ten books of the Odyssey. I also heard music from recent descendents of these ancient bards...
Matt Mullenweg
Matt 4.1 Forty-one is a nice birthday because it doesn’t feel like too much pressure. For forty I did a big...
8 months ago
70
8 months ago
Forty-one is a nice birthday because it doesn’t feel like too much pressure. For forty I did a big eclipse thing that ended up amazing, this year I’m replicating what I did a few years ago and celebrating in New York, Houston, and San Francisco. My birthday today has already been...
anderegg.ca
WordPress is in trouble Since I last wrote about WordPress, things have gone off the rails. This after a brief period when...
8 months ago
56
8 months ago
Since I last wrote about WordPress, things have gone off the rails. This after a brief period when things were blissfully quiet. Matt Mullenweg stopped commenting for a while, though his company had launched WP Engine Tracker — a site for tracking WordPress-driven websites that...
The New Oil
Cybersecurity & Privacy For Beginners: Ad Blocking
8 months ago
Birchtree
This remote has me questioning everything I recently lost my Apple TV remote (the latest model) and despite apparently being somewhere in the...
8 months ago
48
8 months ago
I recently lost my Apple TV remote (the latest model) and despite apparently being somewhere in the couch according to Find My, my wife and I can not find it. We were using our phones as remotes for a couple days, which was annoying, but got the job done. But
Matt Mullenweg
Status Quo I wrote over on WordPress.org about breaking the status quo with a Joost/Karim fork. It’s a perfect...
8 months ago
62
8 months ago
I wrote over on WordPress.org about breaking the status quo with a Joost/Karim fork. It’s a perfect time as Automattic is re-focusing its work while the legal stuff is going on.
Birchtree
It's time for some more YouTube videos just in time for the weekend This behind-the-scenes of one of my favorite 2024 movies was so much fun Shout out to Truth social,...
8 months ago
50
8 months ago
This behind-the-scenes of one of my favorite 2024 movies was so much fun Shout out to Truth social, which got called out as having the best UX in this video...which is based on Mastodon The internet's dad, Hank Green, is starting a new podcast I'm
tim.sh
$2m laundered: the YouTube crypto tutorials’ huge scam (investigation) How 1 youtube video turned out to be a part of a million dollar scam scheme
8 months ago
lcamtuf’s thing
Getting silly with C, part (void*)2 They won't be able to find bugs in your code if they can't figure out how it works.
8 months ago
watchTowr Labs
Do Secure-By-Design Pledges Come With Stickers? - Ivanti Connect Secure RCE (CVE-2025-0282) Did you have a good break? Have you had a chance to breathe? Wake up. It’s 2025, and the chaos...
8 months ago
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8 months ago
Did you have a good break? Have you had a chance to breathe? Wake up. It’s 2025, and the chaos continues. Haha, see what we did? We wrote the exact same thing in 2024 because 2024 was exactly the same. As an industry, we are on GroundHog day
Birchtree
Comfort Zone: OLED Dreams and Studio Display Realities Niléane is out, so Chris and I are left to fend on ourselves! Chris steals like an artist and I...
8 months ago
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8 months ago
Niléane is out, so Chris and I are left to fend on ourselves! Chris steals like an artist and I defend a new purchase…oh, and we have some fun with desks that sadly ends in Vision Pro slander. Why does this keep happening?! Watch on YouTube
Jorge Arango
Prescriptive and Descriptive Information Architectures There are two stances you can take toward language in your website or app: prescriptive or...
8 months ago
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8 months ago
There are two stances you can take toward language in your website or app: prescriptive or descriptive. Which you choose influences the system’s understandability and findability. The terms come from linguistics. I heard about them in a radio show (or was it a podcast?) many...
Applied Cartography
January, 2025 Hello, 2025! (As always, Death Cab remains the soundtrack by which you should read this.) Headlining...
8 months ago
65
8 months ago
Hello, 2025! (As always, Death Cab remains the soundtrack by which you should read this.) Headlining this month was my annual review; everything else is flotsam. But, speaking of flotsam: A quick development note on the order attribute in CSS Notes on Linear and Fathom Why...
Matt Mullenweg
Studio Sync WordPress.com launched a new update to Studio this week, and we’re already seeing some buzz....
8 months ago
75
8 months ago
WordPress.com launched a new update to Studio this week, and we’re already seeing some buzz. Studio is our free and open source app for local WordPress development, enabling you to spin up unlimited WordPress sites on your personal computer. Through its newest feature, Studio...
Arduino Blog
Export data from Arduino Cloud to AWS S3 Managing your IoT data just got a whole lot easier — Arduino Cloud, now lets you send your time...
8 months ago
55
8 months ago
Managing your IoT data just got a whole lot easier — Arduino Cloud, now lets you send your time series data straight to AWS S3. With this seamless connection, organizing and analyzing your data is a breeze. In case you don’t know, Arduino Cloud is a robust, integrated platform...
Birchtree
📕 I mildly recommend: Life as No One Knows It (members post) A new book explaining assembly theory, a new way of thinking about the question of "what is life?"
8 months ago