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aejm

124 karma · joined November 26, 2023

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aejm··on Grok Bot
The problem: too much AI The solution: more AI!
aejm··on SpaceX Starship Flight 13 livestream [video]
They can relatively easily sink it, and in fact are required to be able to in order to get their US FAA launch license. As part of the environmental assessment specifically, but I could be wrong on that. For those curious, they have recovery teams on sight who can essentially shoot it to further puncture the hull or attach explosives even. They have experience with their Starship boosters not sinking off the coast of Texas and floating into Mexican waters.
aejm··on REO Trucks I4 4WD Pickup Truck Starts at $21,500
Incredibly disappointed to see it will be using a gasoline combustion engine.
aejm··on Elixir-lang.org has a new design
I think this version is an improvement over the old one! In particular how it highlights the packages in the ecosystem better.
aejm··on Reflections on the Guillotine (1957)
I wonder if you would feel different after witnessing an execution (by guillotine)? I believe Camus is arguing that you would, giving his father as example of someone who similarly changed his mind.
aejm··on PgDog is funded and coming to a database near you
Thank you for the clear response!
aejm··on PgDog is funded and coming to a database near you
I notice there is an Enterprise Edition, can you please specify which features are not open source? Do you predict new features you add will be ee licensed as a way to pay back your VC funders?
aejm··on Show HN: Open-source .docx editor library for building document apps
A really solid looking editor! Just a heads up on small, mobile screen sizes: the UI elements of the top row overlap unusably, the rest of the UI seems usable just quite zoomed in and I really had to pan around a lot to do anything. Fundamentally a solid and usable UI, I’d recommend a little more polish on smaller screen sizes. Good work!
aejm··on Intro to TLA+ for the LLM Era: Prompt Your Way to Victory
Thank you!
aejm··on Moving away from Tailwind, and learning to structure my CSS
Using a JavaScript framework kind of defeats the whole purpose doesn’t it?
aejm··on Appearing productive in the workplace
I agree completely with your sentiment. The word I use to describe it is “quality”! Most people don’t produce quality work or take pride in it, even beyond the tech industry. I believe the tool of AI is exasperating an underlying problem
aejm··on K3sup – bootstrap K3s over SSH in < 60s
Glad to hear you prefer Docker Swarm/Compose, I feel it’s a solid tool for when you need some of the more complex multi server deployments, and helps you avoid all the costs and complexities around K8s. Plus, running docker compose in development and docker swarm in production feels like the closest you can get to having your development environment match your production environment.
aejm··on We need a federation of forges
In the latest FOSS project I’m starting, I’m not avoiding all “open core” supposedly FOSS projects. In my experience, they’re the projects most likely to do a rug pull and change licenses. If they cannot commit to their entire project being free and open, they are less likely to actually be committed to the principles of free and open software.

While I was quite excited about some of the ideas being discussed in this project, it being VC backed is a complete non starter for me. Your claims of being built in the open don’t make me feel any better, you will eventually need to make returns for investors.

aejm··on Plain text has been around for decades and it’s here to stay
Thank you for taking the time to reply! Agreed, it does seem like any auditor would be able to verify all this information from other sources, but I really like the idea of having multiple independent levels of attestation for my organizations important financial and legal documents.
aejm··on Plain text has been around for decades and it’s here to stay
This is really good inspiration for some of my plain text accounting projects! Could you please go into more detail about your RFC3161 attestation of commits? I'm assuming you're signing your commits with a gpg key to assert that it was in fact you who made the commit. Do you use an external timstamping service and an external ca authority, or do you build your own chains of trust? If you were asked to attest your accounting commits, what would that look like to the auditor?
aejm··on Paraloid B-72
This post has exactly zero relevance to my professional career or personal projects, and this is exactly the type of esoteric content I love about HN!
aejm··on Electrical transformer manufacturing is throttling the electrified future
This. Well said!
aejm··on From Zero to QED: An informal introduction to formality with Lean 4
No, the point of proofs in mathematics IS to prove a particular statement is true, given certain axioms (accepted truths). Yes, there are numerous benefits beyond demonstrating something is undeniably true, given certain accepted truths, perhaps more “useful” than the proof itself, but math is a method of formal knowledge that doesn’t accept shortcuts.
aejm··on Engineers investigate another malfunction on SpaceX's Falcon 9 rocket
Indeed, thank you.
aejm··on Engineers investigate another malfunction on SpaceX's Falcon 9 rocket
Three failures this close together is problematic! I have no insight, but I wonder if organization or cultural changes are to blame? Plus, SpaceX flouting FAA rules recently, makes me worry about their long term future.
aejm··on Examples of Great URL Design (2023)
What’s the best way to handle url slugs that change? For example, if I have www.example.com/page/foo, and the user changes that page’s title to bar, the slug updates to www.example.com/page/bar and anyone visiting the old url gets automatically redirected to the new one. But now the old slug of foo can’t be used again (without appending some unique identifier to it, like foo-th683gh9i).
aejm··on NASA and SpaceX misjudged the risks from reentering space junk
This article is about incorrect understanding by engineers and scientists of how different materials, in different conditions, behave during reentry:

“"During its initial design, the Dragon spacecraft trunk was evaluated for reentry breakup and was predicted to burn up fully," NASA said in a statement. "The information from the debris recovery provides an opportunity for teams to improve debris modeling. NASA and SpaceX will continue exploring additional solutions as we learn from the discovered debris."”

and

“These incidents highlight an urgency for more research into what happens when a spacecraft makes an uncontrolled reentry into the atmosphere, according to engineers from the Aerospace Corporation”.

The inclusion at the end of the article about how low the risk of space debris injuring an individual serves to tell the reader space debris hitting them is not something they need to worry about. Again, this is about experts updating and improving their models, especially as the number of space launches grows dramatically, sometimes using novel materials.

I agree people are generally very bad at understanding the relationships among probabilities, hazards, and risks. But this article cites multiple, independent experts, and specifically highlights how this is not a problem of you getting hit by space debris, which is quite anti-clickbait.

aejm··on The 1904 Olympic Marathon (2012)
A very common quote by Paracelsus in medicine and toxicology: “All things are poison, and nothing is without poison; the dosage alone makes it so a thing is not a poison.” [0]

[0] https://en.m.wikipedia.org/wiki/The_dose_makes_the_poison

aejm··on Boeing rejects claims NASA crew 'stranded' by spacecraft
Yes absolutely. SpaceX Dragon is cleared to seat up to, I believe, four extra astronauts in an emergency.
aejm··on Boeing rejects claims NASA crew 'stranded' by spacecraft
However, in emergency situations, the Dragon capsule can seat up to, I believe, four extra astronauts, and there are only two on Starliner.
aejm··on Boeing rejects claims NASA crew 'stranded' by spacecraft
The leaks in question are on the service module of the Starliner spacecraft. This is a separate part of the spacecraft that is jettisoned before the main spacecraft reenters the atmosphere. Therefore, the service module, where all the leaks are that they want to understand better, would burn up in the atmosphere, and be destroyed.
aejm··on NASA releases Hubble image taken in new pointing mode
“Once Hubble is on target, the steadiness of the telescope in one-gyro mode is almost comparable to that of a full three-gyro complement… Although one-gyro mode is an excellent way to keep Hubble science operations going, it does have limitations, which include a small decrease in efficiency (roughly 12 percent) due to the added time required to slew and lock the telescope onto a science target… If Earth or the moon block two of the fixed head star trackers’ fields of view, Hubble must move further along in its orbit until the star trackers can see the sky and its stars again. This process encroaches upon science observation time. Second, the additional time the fine guidance sensors take to further search for the guide stars adds to the total time the sensors use to complete the acquisition. Third, in one-gyro mode Hubble has some restrictions on the science it can do. For example, Hubble cannot track moving objects that are closer to Earth than the orbit of Mars. Their motion is too fast to track without the full complement of gyros. Additionally, the reduced area of sky that Hubble can point to at any given time also reduces its flexibility to see transient events or targets of opportunity like an exploding star or an impact on Jupiter. When combined, these factors may yield a decrease in productivity of roughly 20 to 25 percent from the typical observing program conducted in the past using all three gyros.“ [0]

[0] https://science.nasa.gov/mission/hubble/observatory/design/h...

aejm··on Anti-patterns in event-driven architecture
What are people’s thoughts on using event driven architecture in games? Specifically multiplayer games, and massively multiplayer games (MMOrpgs). Another comment mentions it was helpful, how specifically, were there any tradeoffs, do certain types of games work better?
aejm··on lsix: Like "ls", but for images
This seems like a reasonable point. Add an option to skip slow files if needed, but don’t skip them by default as it leads to unexpected behavior
aejm··on Starship survives reentry during fourth test flight
Definitely the coolest space video I’ve seen yet! Watching the plasma burn through the flap towards the end was unreal
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