skysight-inc/HackerNews huggingface dataset:
A friend worked for GE Research a several years ago. They were focused on reliability engineering. Meaning have predictive reliability on a bell curve to avoid failure during the 3 year warranty period, and to have a rate of failure during the extended warranty period to preserve the margins.

The impact of surprises… bad components, variances in operational conditions, etc can have a big impact. Also, the quality improvements that emissions controls had on cars didn’t happen for white goods. Cars were hit with emissions AND safety standards, which raised prices.

For appliances instead they incentivize things like all electronic controls (more prone to failure with rough service or high heat), and undersizing components. Old appliances were all mechanical and easily fixed, the electronics tend to turnover quickly and are difficult or impossible to get from a 3rd party.
OMG, Just use https://github.com/microsoft/krabsetw and be done with it...
I still don’t get why it rolls out answers slowly on desktop. Mobile side is much faster so it’s not about background processing.
Could you please stop posting unsubstantive comments and flamebait? You've unfortunately been doing it repeatedly. It's not what this site is for, and destroys what it is for. We've had to ask you this before.

If you wouldn't mind reviewing https://news.ycombinator.com/newsguidelines.html and taking the intended spirit of the site more to heart, we'd be grateful.
Agree for sure, really love seeing the evidence and discussion in realtime as it shows us a better way to do worldwide science collaboration than traditional publishing. Really speaks to a need for a new medium specific to science's unique characteristics.

One caveat tho is that hype can also distort and there's a limited resource of 'the public's excitement with science' that depletes if it never delivers, so I wouldn't necessarily couple science education/comms with science process so tightly. Most science is lots and lots of boring toil, and I'd hope the $$s flow to the best scientists rather than the ones who tell the most twitter-friendly stories.
Not everyone agrees, and therefore... https://youtu.be/oOV32P59-yI
I disagree, lmdb is exactly what you need to run exactly where you want. No more, no less.
I replied on the other post: https://news.ycombinator.com/item?id=36952308
Sabine had a good take on that video today: https://www.youtube.com/watch?v=RjzL9cS3VW8&t=3m23s

"I lost hope for this discovery when I saw the video. This doesn't look like the Miessner effect to me."
Sure, don’t hesitate to reach out to us on Discord. It will be much easier to chat and exchange code snippets there: https://discord.gg/A6wxt6dS9j
My first thought, not being good with math, or spatial thinking, was just to postprocess the rendered depth map somehow, look for sharp dropoffs, and then do some kind of intersection between the lines from the map and the model
All experiences differ of course, but I am going to be wasted if I drink 6 beers and 3 shots over 4 hours. The same volume over 2 hours would probably end up sending me to bed.
You broke the site guidelines super badly in this thread and you did that at https://news.ycombinator.com/item?id=36853475 too. Can you please review https://news.ycombinator.com/newsguidelines.html and stick to the rules when posting here? We ban accounts that break them this badly, especially when the account is relatively new.

Actually I would normally ban a new(ish) account that posted like this without replying to it, but you also posted some quite good comments:

https://news.ycombinator.com/item?id=36941582

https://news.ycombinator.com/item?id=36895303

... so I want to give you a chance. If you'd please post like that, and not like this, in the future, you should be fine here.
Which papers?
I think it's maybe a trick card? Nothing else in the scene jumps during the 'edit' (he's moving his arms around at the same time), and you can actually hear the card make a little 'pop' noise as it jumps up a bit.
If this material works out and EPA takes that stance, it will be the end of EPA. So they won’t take that stance.
It's funny to read all those grammatical mistakes in the abstract. They are probably just not native English speakers, but to me it sounds like they were frantically typing the paper as soon as they finally got results after a 20 hour lab marathon and way too much caffeine. :D
> Whenever you evaluate an API, or create a new one, you must always, always, ALWAYS start by writing some code as if you were a user trying to do the thing that the API is supposed to do. This is the only way to get a nice, clean perspective on how the API would work if it had no constraints on it whatsoever. If it was “magical”, as it were. And then, once you have that, you can move forward and start thinking about the practical problems, and what the best way is for you to get to something implementable.

Such good advice. It's so obvious but so easy to miss when you're excited to get things done. I think it's like writing a unit test before writing the code.

It changes your POV from an "API creator" to an "API consumer" - for whom this whole thing will be all about eventually.
Size and the retirement of Freon.
Same here, I always disable the back/forward page functionality. I only ever use my side buttons and trackpad swipes to change between Mission Control spaces
The pictures of the vessel when close up DO look like it's overwrapped, the rivets around the outside look like theyre from the structure which held the tank rather than the tank itself.
What happened to the trees on Easter Island is a harbinger of the fate of Earth with inaction.

Unfortunately, popularity, political concerns, and corruption do not lend themselves to leaders taking initiative to address the elephant in the room... and this will lead us down the path to collapse like a slowly-boiling frog.
I have the opposite experience: I learned to program with Delphi, and all the React libraries feel like hard, slow ways to make stuff I'd make in five minutes in Delphi.
Absolutely. Reminded me of Chris Pratt's famous P&R flu scene ad lib "Leslie, I typed your symptoms into the thing up here and it says you could have network connectivity problems".
Unnecessary apologising and the safety measures is the main reason I am most likely going to unsub from that service.
There's a lot of optimism in this thread, but does DFT (or any theoretical model really) actually have much predictive value in quantum chemistry? I've always gotten the impression that in this field the proof is in the pudding.
That's not that important. What is important is that if it is true that this is the first member of a new class of superconductors, a whole new family if you will and that once the principles are better understood materials scientists can go about their search in a smaller parameter space of which they have proof that at least one set yields results.

Compared to the steps that have been happening in the last decades this one would be absolutely incredible in terms of temperature range, if I understood it correctly they aren't even sure about the upper limit due to a restriction in their measuring gear.
In this page they have "space filling curves" as an example in one of the images, but I haven't been able to find production systems that actually use space filling curves for similarity search. Anyone have any tips?
Posting for Cunningham's law :)

* Green energy suddenly becomes way more viable. Megaprojects in the most efficient sites can send energy long-distance and store it with effectively no loss, somewhat mitigating regional variations (especially if we have a high-trust world order where a united global grid is viable). (I read LK99 might have some limitations carrying lots of current but presumably other approaches would do better)

* EVs: improved performance of motors, batteries, charge time, and weight - huge shift for the market. Much safer than most current car batteries too.

* Big breakthrough for computing in the form of fast, cool, and efficient zero-resistance transistors. Step change for cutting-edge component performance, all the cloud hyperscalers would completely revamp their compute. TSMC / ASML probably get huge volumes of new orders.

Obviously the first bet is following the patents. Otherwise, my play would be the industrial companies that build things that build things, like factory automation companies, followed by companies that would see a surge in demand from products incorporating room-temp superconductor technology, like TSMC, ASML (maybe Apple/AWS).
Sounds noisy...
sqlite-vss is an SQLite extension. Such things are often build on top libraries like FAISS or USearch. It is just a matter of - how many layers of abstractions do you want to pay for… performance wise.

If you already use some DBMS to store your data - extension can be a good place to start. Once you scale and want to tune… switch to using the underlying engine directly.
Also, if you start heating up formula they’ll apparently have a hard time going back to room temperature.

We used silicone bottles along with a bottle warmer for refrigerated breast milk though.

Pro tip: buy a damned bottle warmer in that situation. Don’t try to get by putting hot water in a cup and putting the bottle in that. The $50 is worth your sanity when there’s a crying baby.
1. I'm terrified of childbirth and do not want to go through it.
2. Climate change -- I don't look forward to it myself and wouldn't want to bring more children to go through even worse conditions. I'll be adopting kids instead.
That's actually now perhaps getting closer to a better (if harder to demonstrate) theory - that housing has become unaffordable largely because we've made cities (and their surrounding suburbs) so much more desirable places to be in than they were 60 or 70 years ago.
A theory can only ever be not yet shown to be false, right? It’s only a model really.
JWH-018, the first very widely available one seemed safer (based on my own limited research) than those that followed, but was banned. it's the same thing every time. chemical gets banned, more dangerous but legal chemical takes it's place, cycle continues.

3-methylfentanyl is an early example of this.
Ask HN: Payment processors becoming card networks?
What's the reason we don't see more card networks besides VISA and Mastercard? Specifically large processors must have some incentive to further reduce their fees?
I've always felt I love the idea of arXiv as a non-scientist who is interested in following science, but it's so esoteric and hard to follow (the density and format of scientific papers does not help). I would love something that was half arXiv and half-Twitter, and if papers were natively written for the web in an elegant and cross-linked way with rich explanations of related topics, interactive graphs with linked datasets, video, jargon explanations, etc.
Similar teapot-tempest in my part of the world. Provincial ferry ministry [1] bought hybrid diesel-battery ferries, but has not yet contracted for charging terminals. Work well, now have a fleet of 6 (I think --- enough, anyway, and enough sea-time, to show they're not cranky maintenance-intensive toys), but (minor) uproar over "taxpayer's money" being spent on electric ferries with no charging infrastructure.

Meanwhile, in the parallel universe next door, the provincial ferry ministry [1] upgraded terminals to accomodate electric charging facilities for hybrid diesel-battery ferries but has not yet contracted for the boats. Work well, but uproar over "taxpayer's money" being spent on terminals without having boats to charge.

Two observations: 1) <sarky> gummint can't do nuthin' right (proof: someone always can tell you how they screwed up) </sarky>, and 2) it's a 'one step back, two steps forward' sort of process.

My two cents: The vehicles are cheaper and more liquid assets than the infrastructure, so do them first. Then, even if they don't work for you, you can sell them on to someone else who can use them more effectively.

[1] for political reasons, superficially an independent corporation, but wholly owned by the provincial government, and regulated by the independent Provincial Ferries Commission. The corporation is free to operate as it chooses, except for fares, routes, frequency of service, and seasonal capacity.
I have the exact opposite experience --- I've been programming in win32 for about as long as it existed, and did win16 before that. There's no better way to make super-efficient single-EXE applications that can run on every version of Windows since Win95 (and if you try a little harder, you can get to Win3.11 with Win32s.) Everything newer has felt far more bloated and complex.

That said, some parts of Windows API are horrible; everything COM-related comes to mind.
A long time ago I spent a bit too long debugging something to later find out the "source port" that displays isn't right! It's still not right! I obviously fixed this by making my own site (https://ip.wtf).
I've visited Twitter, but it got that one wrong (said I did not visit).
If this could be simulated, can you help me understand why we couldn't have used simulation to find promising SC materials to investigate further earlier? Are there just too many permutations to investigate?

It seems to my own naive self that if LK99 is the real deal, we mostly just got lucky finding it.
How did you get into this business?
It has terribly low stall torque. Basically it spins really fast and really efficiently, until you actually try to put any kind of load on it and make it do anything. The load slows down the disks, which disrupts the boundary layer and causes a negative feedback loop which makes it less and less efficient.
If your conversations don't include processing facts to deduce "new, previously unseen conclusions" then you need new friends.

It's "continuing a conversation" in that it's predicting output token-by-token based upon training and the context window. I'm not trying to be dismissive, I actually don't think it's much different from how humans do it.
> Are the vectors sparse?

No they aren't.
God, this kind of thinking is so brainwashed. The relentless China demonization propaganda has made it so that people in the West don't actually believe that Chinese people have normal human behaviors. In a way, the western media has succeeded in portraying all of China as evil and themselves as good.
Outstanding piece. If true, it is an interesting window to the intervention of the 'Pax Americana' of our era.

I wonder who will be next?
Typical university press release: this technology can revolutionize our energy grid by storing energy in a building’s foundation, because we powered an LED with some tiny cells we made.
Testosterone and sperm counts way down (and still dropping) in humans. Dog sperm counts are also down, but it’s not happening to livestock.

Something is causing it and until we know better it’s probably a reasonable assumption it’s plastic.
Because I need evidence to believe stuff, not just claims. Everything causes cancer according to random scientists out to get published. There was even a front page post recently of a study about most foods having had a research claiming they cause cancer. Correlation is not causation. Be specific. Endocrine disruption claim is the only thing i see in that article not cellular harm. "These things are sneaky" is not good enough. It's like saying bananas are bad because they're radioactive. You can swim in the coolant water of a nuclear reactor and come out just fine. Plastics have been ubiqutous since around the time human life expectancy started skyrocketing. Where is the rise in mortality or cancer rates associated strictly with plastic microwaving people and how exactly is the harm caused?

I do not have to accept lazy science or claims that have alarmism without specific evidence.

This might be legit but it seems no one has learned from climate change, how making a lot of "trust me" claims has the opposite effect. Reasonable presumptions and speculations are not evidence. And if there is evidence, I would like to make this about FDA's incompetence not consumers' negligence.
I’m wondering how differentiate:

> “ start reading their resume to me […] or just start saying nonsense”

From:

> “ trickle out the things they're most proud of. They'll ramble for a bit”

Generally rambling and nonsense are similar, and resumes contain trickles of things that people are most proud of.
Bad cert. The common name does not match the subdomain.
It's pretty amazing that in the first AI that communicates on a human level we've already incorporated "I'm sorry Dave, I'm afraid I can't do that"

One of the reasons I'm so bullish / excited about open source models is the promise of AI that fully cooperates.

Granted this will take some doing as even the best open source models like Llama 2 still have the HAL 9000 responses baked in.
It doesn't reproduce: https://arxiv.org/abs/2307.16802. That doesn't mean there's not something to further investigate, but LK-99, at least as described in the paper, is not it.
Whereas people who are offended by what people did while creating a computer program are right and just? You can't have it both ways.
Past fifty years, maybe. I don’t think current food “safe” plastics are the same as those a century ago.

> If they were more than trivially harmful, we would know by now.

“The Increasing Prevalence in Intersex Variation from Toxicological Dysregulation in Fetal Reproductive Tissue Differentiation and Development by Endocrine-Disrupting Chemicals”

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5017538/

Sperm counts are dropping globally. Hormone disruption can help explain it. Wild life that live near human populations (and pets, and lab animals on controlled diets) are unexpected getting fatter. Hormone disruption can help explain it. Amphibians are having weird developmental problems caused by, you guessed it, hormonal dysfunction.

Variation in human physiology and psychology scales on a gradient; from subtle differences in brain structure, which might not even be noticeable to others, to macro differences visible to the eye. A chemical that can cause extreme variation of the external genitalia surely also can cause changes in glands and brains. IMO we see signals of the effects of hormonal dysregulation in our society with increasing prevalence.

I think plastics have been quite a bit more than trivially harmful.
Kaikoura Earthquake Story: 180km Long Rupture as the Earth Unzipping Itself (2021)
I guess I've over-corrected in the other direction. All of the "bugs" I've ever dealt with were caused by engineers, so perhaps the original meaning (similar to "glitch"?) was lost on me.
UPDATE: Paper showing a 1 in 35 (22 out of 777, or 2.8%) myocardial injury of 777 eligible participants of an original 1871 employees of a hospital after receiving an mRNA-1273 booster [1].

This is only after 3 years of the vaccine's first dose. That is a pretty large percentage - 2.8%.

I sadly expect to see more and more of these studies with other unsettling results. To the universities who pushed it upon the healthiest of us, they should be ashamed of saying they did it in the name of science when young people were the least affected, and the elderly could be prioritized.

[1] https://onlinelibrary.wiley.com/doi/pdf/10.1002/ejhf.2978
Disclaimer: this is not my area of expertise in the slightest.

If we have the ability to computationally determine these things without any experimental data needed, and we know we're looking for a specific band structure, wouldn't we just do an automated search of possible chemistries to find everything producing said band structure?

Then just whittle down that list to the easiest to produce and most common materials for the first to test... what am I missing?
Maybe you should be worried about all those things? Maybe we live in a toxic dangerous world that’s been shaped by corporate interests and priorities that are not our own. Because we’re surrounded by all these dangers doesn’t mean that somehow makes them okay to ignore. We have very alarming statistics on our population-scale health outcomes and it’s reasonable to suspect your list is related. Being a parent is a lot of responsibility that’s just the way it is.
LLM's hallucinate.

I would expect better trustworthy tools on the battlefield

Note: where there is no Internet because of EW and where the frontline doesn't expect to have Internet...

Their video is promo material as usual
Every flag you don't use is more than what you need or want and could be a compile-time configuration option to remove the associated code which implements the flag.

Functions represented as integer codes that go through a common dispatch function similar to ioctl lead to compiled code from which the linker cannot remove unused functions.

If instead of a MDB_GET_BOTH_RANGE opcode to mdb_cursor_get there was a mdb_cursor_get_both_range function, then if you don't use that function, it could be removed out of the executable. (If it's put into its own object file, and the database library is statically linked.)
What’s that ISP service call look like?

“Hey, Comcast, I need internet at my new address”

“Sure, where is it?”

“60mi south of the Louisiana coast line and 45mi east of Mexico”

“…hmm, yea we can probably swing that, it’ll be an extra $10k for ftth, otherwise we’re only running copper”
It seems like Einstein was saying "there's no such thing as a theory-free fact," specifically in his case that observation itself is influenced by some pre-existing theory. Some deduction is involved. But this begs the question... where did *that* theory originate?
Could you please stop posting unsubstantive comments and flamebait? You've unfortunately been doing it repeatedly. It's not what this site is for, and destroys what it is for.

https://news.ycombinator.com/item?id=36944821 was particularly bad. We ban accounts that do that kind of thing, so please don't again.

If you'd please review https://news.ycombinator.com/newsguidelines.html and stick to the rules when posting here, we'd appreciate it.
Show HN: A simple wireless power demonstration circuit
> the size of a vector is over 2M

Do you mean the dimension of the vector or the number of vectors?
>> If we have the ability to computationally determine these things without any experimental data needed, and we know we're looking for a specific band structure, wouldn't we just do an automated search of possible chemistries to find everything producing said band structure?

Isn't this a plot point in that one Star Trek movie (episode?) where they go back in time and program a current-day computer to do this?

edit: OK, I misremembered. Was thinking of this: https://www.youtube.com/watch?v=LkqiDu1BQXY
The first three author paper was uploaded by someone who wasn't authorized by the others to do so, and since that one was so flawed, the others apparently were forced to quickly upload the six author version, which was better but still flawed. So it seems the whole thing was intended to happen in a much more orderly matter than it did.
But only the union ones can't be fired.
Because that’s the scientific method? It would be entirely infeasible for them to require someone else to test the sample.

I don’t think you’ve been in academia?
I wonder how one would draw out a wire made of such a material. From the sound of it, the copper atoms have to be in the exact right place in the lattice. Wouldn't naively working with the alloy ruin the superconducting properties? Maybe an actual MatSci person would know.
It doesn't reproduce in that case, which is a useful data point but may not be the final word. The article linked in this thread suggests why making it may not be all that easy.
Have you heard of Goal-Oriented Action Planning (GOAP)?
I've tried implementing it from scratch and it's really easy to get interesting, emergent behaviour. It can also be difficult to debug however, or reason about why things are happening -- or how to make things you want actually happen. I have a feeling commercial products would have much better tooling to ease some of those pains.