WaterSeer was initially somehow related to some part of UC Berkeley, rather than MIT.

You may be thinking of this device: https://www.cell.com/joule/fulltext/S2542-4351(20)30444-X

… Or the metal oxide framework predecessor to it, or the newer thing that uses some sort of gel.

I’m not aware of a commercial product based on this work.

I once forgot to install the Linux package when I was installing Arch on a system. Linux even let’s you not use Linux, if you like.

It didn’t boot.

We used to have good, strong open source tools made out of C (which is a lot like steel - it can only be worked by blue collar computer nerds with muscly brains). Now that steel core is corroding because of the influence of hackers and other white collar computer sorts with their creative problem solving, and unintended uses of memory.

That new corrosion is called rust, and it eventually appears on every C project that’s left outside, unless someone comes along to brush it off occasionally.

Ideas can only be patented, not copyrighted. If a company designs something novel enough to qualify for a patent, and so good that people willingly pay for the feature, that’s impressive, and arguably still a good thing. If instead they design a better user experience, or an improvement in performance, the ideas can be used in open source, even when the code cannot be.

I’m bragging when I say this: A decade ago, I rewrote an indecipherable mess of code into an elegant and transparent procedure, nestled comfortably inside every sanity/insanity check I could think of for the situation. Today, that code (aside from an update for a vulnerable dependency) is still running just the way I wrote it.

Releases should be fast and rare.

The secret is that rats are committed Luddites. They chew through wires, but maintain and restore the elegant mechanisms of times long past.

You may expect that a few rats couldn’t roll a 6 ton stone boulder back up a hill, but rats are also capable of growing to very different sizes depending on their environment.

You can skip 3 of these adapters if you upgrade to the latest libraries, downgrade your microcode, turn off WiFi, and bench press a goat. It turns out it was the goat involved I’m the process, rather than the sacrifice, that made that stuff work.

“Graphical UI” it is

Systemd is trying to stop a service. To do an action to a service (or any unit), it runs a job. The job to stop a service is called a stop job. Once the stop job is taken off the job queue, the stop job is running.

The method of stopping a service is configurable, but the default is to send a kill signal to the MainPID, then wait for the process to exit. If it doesn’t, after a timeout, the kill is reattempted with a harsher signal.

Companies try to maximize green per red. By paying less, and getting the same, they maximize that, year after year until (in a temporary and unforeseeable setback) you leave for… Bluer pastures, apparently.

There are different sorts of companies, and the more they think of employees as a number of years of experience plus a stack of skills, the more susceptible they are to believing that replacing humans with other equally skilled humans is a productive way to spend their time.

Arch Linux is a spectrum mean it says tomorrow

I ran out of crtcs, but I wanted another monitor. I widened a virtual display, and drew the left portion of it on one monitor, like regular. Then I had a crown job that would copy chunks of it into the frame buffer of a USB to DVI-d adapter. It could do 5 fps redrawing the whole screen, but I chose things to put there where it wouldn’t matter too much. The only painful thing was arranging the windows on that monitor, with the mouse updating very infrequently, and routinely being drawn 2 or more places in the frame buffer.

Have you tried turning them off, then turning them on again?

I think we’re still headed up the peak of inflated expectations. Quantum computing may be better at a category of problems that do a significant amount of math on a small amount of data. Traditional computing is likely to stay better at anything that requires a large amount of input data, or a large amount of output data, or only uses a small amount of math to transform the inputs to the outputs.

Anything you do with SQL, spreadsheets, images, music and video, and basically anything involved in rendering is pretty much untouchable. On the other hand, a limited number of use cases (cryptography, cryptocurrencies, maybe even AI/ML) might be much cheaper and fasrer with a quantum computer. There are possible military applications, so countries with big militaries are spending until they know whether that’s a weakness or not. If it turns out they can’t do any of the things that looked possible from the expectation peak, the whole industry will fizzle.

As for my opinion, comparing QC to early silicon computers is very misleading, because early computers improved by becoming way smaller. QC is far closer to the minimum possible size already, so there won’t be a comparable, “then grow the circuit size by a factor of ten million” step. I think they probably can’t do anything world shaking.

You can buy high (97-99) CRI LEDs for things like the film industry, where it really does matter. They are very expensive, but can pay for themselves with longer service life, and lower power draw for long term installations.

The CRI on regular LED bulbs was climbing for a long time, but it seems as though 90ish is “good enough” most of the time.

You can just issue new certificates one per year, and otherwise keep your personal root CA encrypted. If someone is into your system to the point they can get the key as you use it, there are bigger things to worry about than them impersonating your own services to you.

A lot of businesses use the last 4 digits separately for some purposes, which means that even if it’s salted, you are only getting 110,000 total options, which is trivial to run through.

Modern operating systems have made it take very little knowledge to connect to WiFi and browse the internet. If you want to use your computer for more than that, it can still take a longer learning process. I download 3D models for printing, and wanted an image for each model so I could find things more easily. In Linux, I can make such images with only about a hundred characters in the terminal. In Windows, I would either need to learn powershell, or make an image from each file by hand.

The way I understand “learning Linux” these days is reimagining what a computer can do for you to include the rich powers of open source software, so that when you have a problem that computers are very good at, you recognize that there’s an obvious solution on Linux that Windows doesn’t have.

Don’t joke about this, the college professors will hear you.

An immutable OS is useful for things like an alarm clock, where if you accidentally muted the sound system, you could oversleep. There’s an obvious downside if you’re someone that watches porn on your alarm clock computer, but sometimes compromises must be made.