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~j0ule
I’m a polymath who tackles hard problems. I love drawing ✍️, inventing 🛠️, computers 💻, electricity ⚡️, and many forms of art 🎹 and science 👩🔬.
I hope you find my chapter of Civilpedia an inspiring place to be 💖.
Joule's Pages
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Ludlum Model 12 Restoration
Recently I’ve been restoring a Ludlum Model 12 rate meter. What is that you might ask? The best ratemeter on this side of the valley, that’s what! I say this, because it’s one of those rare instruments built with “user serviceable” in mind,
AI Censorship sows Inferiority and Segregation
[img|h=100]../storage/fragment_images/28302301960601750_403e5f60e3055e5137df9fd22565f2ba.jpg[/img]In the AI community, it is presently the status quo to censor the output of AI generators through what most cite "as an abundance of caution" in an
Welcome to Civilpedia
[t]Hello![/t]Civilpedia is a place for open source learning. Here, you can show off who you are, and teach everyone how to do anything. Unlike Wikipedia, original research is allowed here, and encouraged. A real Hitchhiker’s Guide to the Uni
Test Page Please Ignore
[m]⍁LaTeX{} + e^{i⍁pi} + 1 = NaN[/m] Just sit ⍁ right back and you'll hear a tale a [b]tale of[/b] a fateful ⍁ trip, that [i]started[/i] from this [url=https://frozen.port]frozen port,[/url] aboard this [u]fun road[/u] trip.
Backpack X-Ray Machine
This is a project I took from conception, to sketch, to working design in about 4 month’s time. It is the most powerful handheld x-ray source in existence. You can build one too! https://gitlab.com/j0ule/portable-x-ray/ [img]../storage/fra
Cone Beam CT Scanner
This was a short experiment in cone-beam CT reconstruction. I built a scanner from craigslist parts, which was capable of reconstructing a package of hot dogs with only 60 milli-roentgens of radiation, far less than what you’d need from a modern commerc
Civilpedia Bug Tracker
This is a list of active, and solved, or wontfix issues for Civilpedia. Development help is welcome! Please reach out to @joule if interested. [b]Feedback & Improvements[/b] [ul][li]Use SMS not email, with active hours[/li][/ul]
Poor Hacker's Almanac
Life advice from Benjamin Franklin I’ve been helping to make more modern. Work in progress… [t]Poor Richard’s Almanac 2021[/t]Fools multiply folly. The noblest question in the world is, What Good may I do in it? Pay what you owe, an
Escaping Hyperconsumerism
I was born subservient to aggressive and abusive advertising, which pre-defined my life desires for me. This is a short story about how I set myself free. [img|h=60]../storage/fragment_images/9936629995201262_813f178572c538fd4bd3a362ba87c749.jpg[/
The Nature of Learning
The nature of learning is understanding that newly-made humans can learn anything, because they don’t think they are unable to learn new information. So, if you learn to never enter a situation with prejudice about the way you think things should b
XRay Transformers
Before small #cockroft-walton multipliers became inexpensive x-ray machines used to use large iron transformers. These things are the highest voltage transformers you'll likely ever come across, turning 120V (or 240V in euroland) into 50,000V, 75,000
The BlitzenKlavier
Humans of the internet, I present to you the BlitzenKlavier (lightning-piano). It’s a large solid-state Tesla coil that takes in 120VAC, MIDI, and spits out 8 foot musical lightning bolts! [img]../storage/fragment_images/42879498820102740_cd3fac28b4
Flyback Transformers
Also referred to a Line Output Transformer, the flyback transformer is a high frequency, high voltage transformer most often used to power cathode ray tubes. Flybacks are capable of generating some decently high voltages, typically anywhere from 10 to 35k
Pela Lomi and the Carbon Cost of Electricity
Recently, this "[url=https://www.indiegogo.com/projects/lomi-turn-waste-to-compost-with-a-single-button#/]automated composter[/url]" showed up in my instagram feed and I was curious about the carbon cost. If it's reducing the compost
Adding Shutdown to VESC 6
For whatever reason, Vedder never added shut down to the VESC 6.0, despite the power supply chip having this capability. Here is how to add it. [t]You will need...[/t]The following components: [ul][li]10K Resistor[/li][li]3.3V Zener Diode[/li][li]
Restoration of the MV Maritol
In early 2018, friends and I decided to work on something rather unorthodox from our regular activities –we set out to bring new life into an old steel ship. Some of you whom are local to San Francisco may recognize the vessel, as it had been moored nea
Attention is Competitive
It took a great deal of failure and subsequent reflection to recognize this not-so-obvious idea. It is very fashionable in the technology industry to build products which capitalize on people’s attention, but this is a scarce resource nowadays.
TDS2024C Teardown
Tektronix sent me a new TDS2024C! Now what do we do with new $1500 toys? WE RIP THEM APART (⌐■_■)っ═一 [t]The Finish[/t]Let’s look at this one from behind. Not much going on there, apart from a USB device port, FCC information, a kens
Character Traits of an Exceptional Organization
An exceptional organization is forward thinking. It consistently asks, [ul][li]What will the world be like in five, ten, twenty years?[/li][li]What will be available then, which is not now?[/li][li]Where will we be able to provide value in this new wo
If shared roads build a strong economy, why not shared tools?
A personal challenge of mine is to elevate the human condition through improving institutional methodologies. Along these lines, it has been my experience that sharing can be more efficient, and more economical than hoarding. It’s no surprise that l
Functions
You might have heard about "functions" like sin, cosine, or absolute value before, but, what is a function really? A function, like most things in mathematics is an abstraction. It is a [b]map[/b], between elements of one set to another set
Franklin's Bells
After their invention by Benjamin Franklin, Franklin’s bells became a novelty in the late 1700s. One bell would be connected to a stake in the ground while the other would be connected to a lightning rod, and a conductive clapper would be put in between
Voltage Multipliers
Transformers are not the only way one can boost voltage; another method to the madness is a Cockroft-Walton multiplier, or thes the Villard Cascade depending on your favorite dead scientist. “CWs”, as they are colloquially known, are a charge pump use
The Fryback Transformer
Ladies and gentlemen of teh internetz, I present to you a marvelous device that will revitalize your health and bring wondrous wealth and prosperity to your families and all future generations. Straight from Nikolai Tesla's labs I bring you a fantast