skysight-inc/HackerNews huggingface dataset:
> The [crystalline ternary tetradymite] film — measuring just 100 nanometers wide, or about one-thousandth of the thickness of a human hair — was created through a process called molecular beam epitaxy, which involves precisely controlling beams of molecules to build a material atom-by-atom. This process allows materials to be constructed with minimal flaws or defects, enabling greater electron mobility, a measure of how easily electrons move through a material under an electric field.

> When the scientists applied an electric current to the film, they recorded electrons moving at record-breaking speeds of 10,000 centimeters squared per volt-second (cm^2/V-s). By comparison, electrons typically move at about 1,400 cm^2/V-s in standard silicon semiconductors, and considerably slower in traditional copper wiring.

MBE: Molecular-Beam Epitaxy: https://en.wikipedia.org/wiki/Molecular-beam_epitaxy
That's not blocking, then. You're just accepting the email and not doing anything with it. It's usually called "blackholing". It's less nice to the senders for obvious reasons.
> if it's using a VOR/DME at the moment

This is the crucial thing. The article says

> The pilot will usually tune the radios to the stations that are part of the procedure that the aircraft is flying (although the pilot is free to tune to other stations as a cross check), so the kind of aircraft that we expect to see in the recording are those operating on the Madrid Barajas airport, not those flying high en route.

The article author has it right. Nowadays most aircraft are using GPS to navigate, and only use DME if on a specific approach procedure that requires it. In practice, this has far narrower scope than ADS-B.

Another commenter has it right - if instead of an experiment you actually want to locate aircraft without (or not) using ADS-B, you're far better off doing MLAT on Mode S, though you do need multiple spatially separated receivers for that. Aircraft are far more likely to have a Mode S transponder and have it switched on than they are to be using DME on the frequency you choose to monitor.
Quantum microscopy study makes electrons visible in slow motion
#tzero - An online computing-focussed reading lounge with timeboxing-based theme
Commented this above, but I actually built a site to auto generate up-to-date interactive visual diagrams for codebases.
It's pretty plug&play, using static analysis & LLMs we generate documentation + an interactive system diagram you can recursively explore.

https://vision.useadrenaline.com

All the auto-generated diagrams are exportable as mermaid!
Discussed two days ago: https://news.ycombinator.com/item?id=40961163 (143 comments)
In all seriousness, this was intended to illustrate the enormous gulf between even this result (one error in a thousand computations) and the infamous Pentium FDIV bug.

(I would describe it as lightly poking fun at Intel... I'd hope there aren't still hard feelings over a 30-year-old hardware defect.)
Browsing an HTTP site that would otherwise have nothing to do with Cloudflare could end up becoming associated with you. That can happen if the data that CF has is matched with the data at Apple, either by Apple and CF themselves or the US government.

The sites that already are MITM'd by Cloudflare are a different story. Cloudflare is going to know what IP address visited them at what time, and if you login with your personal email address, or if your personal phone number is shown in your account settings, then your identity is linked with some probability to that IP address+time.

If you then browse a non-CF HTTP site, using Apple's proposed proxy, there would be the risk that your identity+IP address that CF knows become associated with using the HTTP site as well.

If you don't use Apple's proxy at all, you connecting to a non-CF HTTP site would only be known by your ISP.
This is a useless and insipid editorial. I don't want the problem redeclared. We know this. We want solutions.
I lost a ton of weight during the initial Covid lockdowns of 2020 without even trying. The only difference?

I ate home cooked meals while WFH. They weren’t even made to be specifically healthy or with the objective of losing weight.

Then I jumped ship for a company that was 100% in office. I started eating the supposedly healthy meals catered by the company for lunch. Dinner also came later because commute time.

I gained back all the weight I lost WFH and then some. The significant amount of walking and/or biking from the commute did nothing to help.
No, but the enforcement has been fairly toothless. Hopefully same team that designed DMA will make a stronger variant of GDPR.
So we can expect massive outages every summer and winter as Texas catches fire and freezes? Good to know.
Apple is the only major manufacturer that makes phones that can't get their location or install an application without phoning home. The only appearance of privacy is in their marketing. Consider that Google did on-device voice-to-text long before Apple did, that Android lets you use a fully-offline app as your default maps app while iOS does not, and that Android lets you use real Firefox with real uBlock Origin. All out of the box on any Android phone from a reputable vendor. No flashing required.

Apple's deceptive marketing has made me lose all trust in the company. It will take a lot more than USB-C for me to consider Apple for computing devices.
The fact that consumer VR remains a niche category even in its best use case - gaming - tells you everything you need to know about whether or not it's ready for development in the non-gaming consumer space.

Until VR tech is strong enough that it becomes a must-own product type for the average gamer, any other consumer-focused use case should be considered dead in the water.
I have an Oculus headset, but just getting going is an ordeal, I have to turn on the goggles, load into MetaOS (or whatever the name is), then load up into PCVR-mode, an then load my game (through Steam).

It's like inception, and I am 3 layers deep, and every layer has it own controls.
>merely called a "principle"

Merely a principle? In science principles are what mathematicians call Axioms. Not proven but taken as true because you have to start somewhere, and it is the only thing that makes sense.

The cosmological principle is the philosophical position that physics works the same everywhere. We haven't done physics experiments across the universe, so we can't call it a law because there is not enough experimental evidence.
"Terahertz spectroscopy of collective charge density wave dynamics at the atomic scale" (2024)
https://www.nature.com/articles/s41567-024-02552-7
I also prefer my phone to not be hot and constantly plugged in. Or for my ML workload to suddenly get slow because my partner drove the car out of range of the WiFi. Or to miss notifications because my watch's CPU was saturated.
One thing I have yet to understand is why DME-DME is preferred over VOR-VOR. Because the latter can support unlimited aircraft, unlike DME.
I came to the same conclusion, and the closest thing I’ve found is using a graph database.
> * Users: Sure, use whatever language you want, as long as it runs in my browser, because that's what I'm already using.
The article says X is moving to Austin.

> X will move to Austin from San Francisco.
> "this register ranges from 0 to 4"

that's not a type system, that's an ILP. and we already have that in many compilers (bindings to ILP solvers).

> Maybe the ISA can now do something clever to further optimize my program.

this is a malformed sentence - the ISA is fixed and isn't making any gametime decisions about your code (modulo branch prediction/cache-fretching). it's all in the compiler and like i said we already have this in many many compilers and it's surfaced in various ways (eg trip count on loops).
It doesn't seem super relevant to karpathy announcing he's created a company so that he can increase the production value of his AI YouTube videos

I mean, sure, the company is ostensibly going to also teach math at some point, but karpathy will not be using gpt 4o for that when it launches (what do you think his timelines are? Do you think he is going to be able to solve trivial things like "having the llm use something like function calling to do math"? If you're unfamiliar with his work, karpathy is a very good engineer, and this is a small problem that anybody working in building production apps on LLMs can easily deal with)
Everything you mention is correct, I just wanted to add that holding bonds directly makes sense in the case when you have a date in mind for when you will need the invested money. So for instance if you plan to buy a car in 2 years buying bonds that mature in 2 years has the nice property of being worth a guaranteed amount of money exactly at the point you need those savings. There are etf equivalents known as “bullet shares” but these have an expense ratio that isn’t incurred with owning bonds directly.
I can only see it working if you have like, a telepresence device on the other end. An unpopular example might be a robot solider with its “handler” halfway around the globe.

Maybe a “better” example would be of the same ilk, a robot in space repairing something with the handler back on earth controlling the thing.
Textbooks about "abstract nonsense" rarely require you to do such routine calculations/simplifications - they rather require you to be capable of making sense of definitions that are (at a first glance) insanely far removed from anything you have seen in your real life: I would rather liken it to taking strong, dangerous hallucinogenic drugs, and making sense of the world that you now see (which is something that only some people are capable of); by the way: I don't understand why hallucinogenic drugs are illegal, but textbooks about very abstract math are not. :-D

On the other hand, textbooks about, say, analysis and mathematical physics (both in a broader sense) - which can also be very complicated - have a tendency to demand a lot of (also long, tedious) "routine" calculations from the reader (often to do by his own). For these areas of mathematics your argument surely makes sense.
Not defending the garbage tech awareness of the writer of the article, but tons of non-english speakers do.

Cannot speak for portugese language (which is the predominant one in Brazil), but I can confirm that in russian if you say “memory” (“память”), you are talking about storage capacity. Not RAM.
The golden age of scammers: AI-powered phishing
Darwin Machines
I'm obsessed with the idea of Darwin Machines (and I think you should be too).

I've been tinkering with the idea in python but I just don't have enough ML experience.

If you, or anyone you know, is interested in Darwin Machines please reach out!
Google and Microsoft consumed more electricity than many countries did
Thanks for playing! The game has a 90 second timer. If you don't answer all 8 questions before time runs out then the game ends, so you have to think fast!
Can you elaborate on that?
I thought it was a fairly batteries included game engine, if you use gdscript at least.
You expect the cost of a self replicating object to remain out of reach of the average person?

Why don't you think it would follow the same cost curve as integrated circuits?
There's no balance to be had--you must prioritize legality over privacy. You will be storing CSAM if you don't do something. You may already be storing CSAM. This is no joke. This is real and something every image hosting site deals with. You need to take it seriously. This is a "you could go to jail" concern, not a "this project might not work out" concern. The ability to store and share media privately while knowing it won't be scanned for abuse, with a free tier that doesn't even require an email address to sign up, is begging to be used for CSAM and other illegal activities. That's the sort of site you'd set up if your explicit goal was to attract CSAM. MEGA offers a similar service and they are severely burdened with abuse.
That's basically a 3D movie. Doesn't count as VR.
"Quantum microscopy study makes electrons visible in slow motion" https://phys.org/news/2024-07-quantum-microscopy-electrons-v... ..
https://news.ycombinator.com/item?id=40981039 :

> If you change a few atoms at the atomic level, the macroscopic properties remain unchanged. For example, metals modified in this way are still electrically conductive, whereas insulators are not.

> However, the situation is different in more advanced materials, which can only be produced in the laboratory—minimal changes at the atomic level cause new macroscopic behavior. For example, some of these materials suddenly change from insulators to superconductors, i.e., they conduct electricity without heat loss.

> These changes [to superconductivity, for example] can happen extremely quickly, within picoseconds, as they influence the movement of electrons through the material directly at the atomic scale. A picosecond is extremely short, just a trillionth of a second. It is in the same proportion to the blink of an eye as the blink of an eye is to a period of more than 3,000 years.

> [...] The researchers were able to optimize their microscope in such a way that it repeats the experiment 41 million times per second and thus achieves a particularly high signal quality.
Is Mars Habitable? (1907)
FWIW, OP never bothered to contact me.

Not everyone uses twitter and slides into the DMs like that.

Best wishes,

Metadat

Edit: please do downvote this benign message to your heart's content, cheers
> It's kind of how people brutally skewer the $5 Steam indie game, but if the $80 game made by the AAA billion-dollar studio sucks, folks seem to be much more forgiving (looking at you, Diablo 4).

While I know the point you're making, gamers certainly went up in arms over "the first AAAA game" priced at $70 instead of the standard $60 for AAA games, even before seeing it was a poor game. Additionally, the people who are typically complaining about the shortcomings of $20 indie games have given up complaining about $60 games' shortcomings. They expect them to suck and stopped paying attention to them, so the lack of comment is apathy toward AAA games and a desire for indie to succeed. They give passionate response, good and bad, because they care.

The very low priced indie games (<$5) also fall into the same problem category of most low priced things above free. The exchange of money makes people demand much more from something than if free, and price sensitive consumers are much more picky than those who can more easily put out hundreds of dollars.
That’s crazy man how did all those cities recover so quickly from being burned completely down?
IIRC, the most serious skeptic who believes that real quantum computers are never going to be realized because of the noise wall is Gil Kalai. Look into his writings, or Scott Aaronson's arguments with him, or whatever.

I am a lot less optimistic about QC than I was 15 years ago before I really started learning about this stuff, but I'm not willing to completely rule it out.

Do I think there's a plausible roadmap to a general-purpose implementation of Shor's algorithm at a scale that can break RSA-2048? Not any time in the next 30 years. But sometimes progress takes great leaps forward after many years of stagnation, so I'm still a bit hopeful.
Thankyou! I'm not sure how I missed them, I got to their website, clicked 'Episodes' expecting to see them, but missed the link to buzzsprout
In anything. Like math, or math education. I was a teacher for years and studied education and I've seen some shit. The acceptance criteria for education degrees is often the lowest of any field in colleges/universities. The pay is extremely low. Great teachers exist, but often teaching is just a backup career for non-experts that don't know what else to do.

Outside North America teachers are sometimes respected and paid as professionals like a doctor or lawyer. Here they're more likely the butt end of a joke. You don't need to be an expert in anything to be a teacher in NA, generally.
Perfect explanation for some last minute staffing changes!
The problem is that video games and social media are already optimized for dopamine. There is little boost to the dopamine hit offered by the immersion of VR. People aren't going to become addicted enough to VR in itself to overpower the inconvenience and simulation sickness of putting a computer on your head.
"IBM's vintage mainframes were extremely underpowered compared to modern computers; a System/370 mainframe ran well under 1 million instructions per second, while a modern laptop executes billions of instructions per second. But these mainframes could support rooms full of users, while my 2017 laptop can barely handle one person"

Software has gotten complex, folks were running BBS with multiple users 30+ years ago on 286 computers. First multi user machine I used was 386 BSD supporting 50-100 students at once. 486 machines were supporting thousand of users at once. A cheap under $500 server can probably handle 5k hackernew users at once without missing a beat. Love the article, but don't blame the hardware, hardware has grown, software has just grown faster with so much waste as well.
Doesn't the polygraph machine just play a role similar to "the manager" in a used car negotiation? Just like the salesman can leave the room, get a coffee, never actually talk to anyone, and come back in and say "Sorry the manager says I can't go that low" and lots of people will buy it - the polygraph interviewer is "saying" to the interviewee (in not so many words) "sorry pal, I'd love to believe you, but the machine says you're lying - my hands are tied"

Seems like it's a useful prop for manipulating people, and in that role it really is effective.
> he complained when the chargers were located at places more different from gas stations.

I'm not sure I understand, was he complaining when they were in a parking lot, but off a road?

Personally, I see gas stations as convenient to the road, but you are also there for a short time.

If you are charging for a non-trivial amount of time, getting out and doing something else is very nice. Charging while grocery shopping is something I do frequently.
VR is failing because it requires too much activation energy. Games are fundamentally about leisure. VR as it exists requires clearing space and standing and moving. It's also high intensity. High intensity is good under certain circumstances but I think humans are actually wired to prefer lower intensity things.

When VR becomes something that is effortless to use and I can just slip on some glasses and not even feel them on my head is when it will break out.

Apple has some fundamental aspects of VR right such as controlling the UI with eyes and slight hand movements. Also most apps are geared towards sitting down. The problem is their headset is too heavy.

edit: Also I know there are people the above doesn't apply to, I'm basically going off of revealed preference. There is a reason why there are so many people that prefer watching others play games rather than playing themselves for example. There is also a reason mobile games are so popular over desktop.
Factually and statistically speaking, both USA major parties' presidential candidates have a very long rap sheet of pathologically lying. One of the main differences is one started nonstop lying recently whereas the other was nonstop lying in previous decades.
I'd encourage you to do a thorough competitor reseach, but anything over $100 will be a hard sell. It's not that $179 is unreasonable, it's that people aren't used to shelling out this sort of sum for software in one sitting.

Consider sweetening the deal by offering something like a $20 one-year license with an option of converting it to the perpetual after a year.

Tangentaly related, make sure your permanent licenses do not include permanent support and upgrades. Provide bugfixes for free, but if they buy a perm license, it should be good for whatever version they have now plus X months worth of future versions. After that impose a fee to extend this upgrade access for another X months. This is a 100% fair arrangement as you do need to be compensated for the work that goes into new versions.

Also, with early birds - again, speaking from experience, consider labeling what you have a "beta" and giving it away for free. Then, after few months, do a proper release and offer deeply discounted licenses to all beta users. This kills 3 birds with one stone - builds a loyal userbase, monetizes them and avoids having deep public discounts. Discounts, once you offer them, will be expected and you will lose sales if the only option will be a full-price one. And if you are to have a permanent sale, it will cheapen the perception of the product. So discounts should be used sparringly and in a very controlled manner.
If it's illegal, the lowest guy has the leverage of putting his boss in jail. The boss has the leverage of putting his boss in jail, and so on.
it would not surprise me if companies are start ditching DEI due to fear of retribution from white pople / Republicans since it is starting to look like Biden has no chance of winning, and Trump is promising a cabinet seat to Project 2025.
"Just" a physics major. I'm sorry but you're being ridiculous.

There's nothing just about that especially when the commenter only said he had a background in physics.
You should learn how to use the tool before calling it worthless. I didn't thought I would defend google today. The 100 is not the number of searches, 100 means the peak of popularity.
Do you remember where you saw that talk? I'd like to watch it.

Thanks.
The Blackmarket for Nvidia H100, A100 AI GPUs Is Exploding
I had some hesitation about recommending them because of this, but going from memory I think it was a good couple of episodes
No matter who wins SpaceX will get plenty of govt business they are so far ahead of everyone else not only today but in the next decade. And that is completely ignoring the Starship shaped hammer about to break the cost curve for launching to orbit in 3-5 years.
There is no mystery about why life seems to violate entropy, and it has been well understood since the concept of entropy was invented. Did Schroeder imagine that the biologists didn't know that?
UC admissions rates for every high school in California
"And it was all legal."

In some states.

It sounds like you thought there was nothing wrong with kickbacks. That's concerning. The dictionary definition of a kickback is a concealed, usually illegal payment, a form of bribe. Whereas the dictionary definition of a rebate is a portion of the sum paid returned to the purchaser. If you knew you would be helping these people to process kickbacks then why work for them.

Honest question.
The radio delay alone will cause vection, I would think, and unless near-term technology advances include something like an ansible I don't see a way around that.
it could be that the buffers are emptying, more people working on solutions are draining them faster than new problems are input?
OK, I see what is going on. I believe they were likely correct and basing their opinion directly from observational data. Syphilis was rampant and education was extremely low.

You think they were wrong, and assume observational data would refute it.
Jung: A Man and His Symbols
He jelly
Repo maintainer here. It supports any device tinygrad does, which is a lot. We didn’t expect it to blow up so soon - the repo is still experimental. Internally we’ve mostly been testing on MacBooks and Mac Minis, and that’s where dev is happening. The swift implementation is outdated and currently broken, since Python has been changing so fast (over 20 commits in the last day). On my ToDo is CI/CD pipeline with integration tests for different device and network configurations, so we don’t randomly break stuff for certain devices.

We’re moving fast to get it stable and usable. The goal is for this to be as simple as running Dropbox. Bear with us :)
no, I meant an actual famous cookbook. I read about it on hn, actually.

it's called something like fat, acid, salt and heat. you can Google it.
If you mean power outage, then you forgot the hurricanes.