skysight-inc/HackerNews huggingface dataset:
Many places in my country have no access or reliable access to the grid and kids have to walk many miles to go to school, in this pandemic with the remote schooling this made millions of kids to miss classes or even leave school.

I can think something like this would be very useful for these kids as chargers and solar panels wouldn't last long in the hand of childrens.
We use blockchain at work ( not by me).

It's not because you haven't seen it in public, that it isn't used.

Also: https://www.fnality.org/home which the bank of england ( mentioned in the article) is a member of to settle between banks.

I also wouldn't see bitcoin as a success. No one that i know of uses it in daily life ( except some being hyped by it and HODL'ing it)
Currency is not digital.

What they mean by "digital currency" is a for instance a purely digital bank note than you can hold and transfer to someone else (like for instance a crypto token). Clearly that's not how things work now.

Edit: See my further comment below as it looks like people don't quite understand what "digital currency" is.
Livestream timestamp of the video from Perseverance: https://youtu.be/p1KolyCqICI?t=2447 (slightly better quality)
> https://www.youtube.com/watch?v=Jd3-eiid-Uw

I did this at the time. I downloaded his Wii app that shows the little red/white discs, and bought a battery powered Wii-bar thing that had the IR leds in it and strapped it to my head.

Can confirm, the 3D effect is 100% spot on, even the smallest move of your head caused the display to adjust perspective and your brain is totally fooled into thinking the Wii display is a just a window into a 3D scene.

tbh, it was the only cool thing I actually did with my Wii!
s/for promoting /with the purpose of promoting /
But the rich bypass income tax altogether. It does not apply to them.
NASA successfully flies Ingenuity drone on Mars
I think that such comments do opposite. Because of this implication:

> Only the ones who speak up against (or ideally arrest) their corrupt coworkers deserve to be called Law Enforcement Officers. If the rest stopped existing, law and order would actually increase.

This sort of thinking is what prevents real steps to stop abuse of power. Because it assumes these are individual issues, that those doing something bad are different and apart from the rest. That if we removed bad apples, all would be good.

In fact all are law enforcement, including bad ones. Being named law enforcement is not badge of honor that makes you better person then everybody else. It does not make you less prone to abuse power, to act on peer pressure or to act on irrational fear. As long as people assume that law enforcement is or should be composed of better people, they wont be able to implement proper limits on their power nor proper checks on what they do.
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> Proof of work can be replaced by physical security, which is more energy efficient.

I'm not sure you understand how banking works. The BoE already has a ledger, its just private[1] for a number of reason (the banks accounts are published, but not in real time, and not by individual account). All banks have ledgers, and sometimes they even marry up.

[1]well kind of.
UK’s vaccine rollout is one of the most efficient in the world. It’s as if they were right about the EU holding them back. I’m not a huge fan of the state, but it’s quite impressive. That will certainly give the expats some confidence.
https://news.ycombinator.com/item?id=26852399
Explore digital currencies is highly likely to be blockchain

> Meanwhile, the Bank of England also announced a new omnibus bank account, a special account at the central bank targeted at regulated payment systems. The new account is well-suited to Fnality, the blockchain-based payment system owned by 15 institutions.

And they ( bank of England) already have blockchain tech to settle between banks : https://www.fnality.org/home
Fewer moving parts? How much power does a low powered laptop need while in transflective mode? How much power does a solar panel produce that’s not facing the Sun?

One could cover the front and back of the screen panel on solar panels this way, if it could create a device that’s mostly independent from a grid or extra gadgets to plug in it could be nice. But yeah, maybe an external little solar array would be more flexible.
I agree, I'd rather not have to turn the brightness up to 100% so that my battery life drains faster to be able to view my phone in direct sunlight.
We actually use the original node.js parser code (http_parser), which was originally based _I believe_ on the nginx parser. The Node people have since moved on to generating the C parser code with Typescript because the original code was too difficult to maintain (llparse).

Like I said, human-readable HTTP needs to die, but it's far too late.
Wait, why are we even discussing this? It's obviously airborne, and we obviously have to defeat it injustice visites, i.e. by vaccination. Sorry if I'm not being "scientific" enough here, but sometimes science is in position to common sense.

This pandemic has stretched patience thin. Let's just finish this damn thing off. More shots in more arms, NOW!
I had a notion ink tablet 8 years ago or so. Being able to use the tablet outside in the sunlight was definitely cool, however the display quality (uniformity, dead-pixels ...) was quite poor. I wish there were more tablets or even laptops of this type later.
Aren't most images variations on a wasp nest ?
Is it so weird, though? Isn't this the kind of workflow that lies behind most serious work as long as the end product isn't supposed to be shipped off to some third party that isn't expected to have internal knowledge?
An extension to this infact is the following - https://github.com/llvm-mirror/llvm/blob/f36485f7ac2a8d72ad0...

So the original user's comment might infact get detected by this and get optimised down to using popcnt. Will need to try it out. :-)
If you were a user of FTP/SMTP/POP3 software in the 90s, you definitely saw a regular stream of developer/operator complaints. The last 20 years saw a lot of diversity loss in popular protocols (DIEDIEDIE!) and we now use a narrow subset of them.
The quoted sentence seems false to me. Most physical objects do not have naturally harmonic vibration spectra. The vibration modes are not integer multiples ofthe fundamental (except for a vibrating string). Only the finely tuned western instruments do. So this is a somewhat backwards argument.
They offer high resolution full color semi-dynamic display without needing any semiconductor circuitries.

You can simply fabricate the flap by cutting the flap to dimensions and affixing letterings onto them. That’s not possible with LCDs or LED arrays.
In many parts of the world parents do not show up for after school athletic events. Firstly such extravagant athletic events are much more limited or even available and secondly the parenting culture is more hands off and less emotionally “supportive”. The parents in many societies only care about the academic achievements of their kids.
So, it'll do a thing I can already do with money?
I don't know her, I'm sure she is great but are these really the qualities of a leader?

> Annalena Baerbock is widely seen as decisive, brave, ambitious, and very confident.

I wonder how Marcus Aurelius would rank in the world of today (not that he was very popular among some of his contemporaries).

decisive, brave, ambitious, and very confident are exactly the qualities that would throw you off a cliff at 120 mph.
I think more or less everything by IOHK is open source, you can probably find more through the github link on the page. Discussions on bitcoin vs bitcoin cash is probably better suited for other places :)
So, less functional money? More complicated gift card?
Like other people have said, this looks like a Looking Glass dev unit or something.

And here's a Linus Tech Tips video of it: https://www.youtube.com/watch?v=-EA2FQXs4dw

They have some good footage (though obviously it's setup as a hype reel too).

Edit: Skip to follow for "beauty shots": 4:45 and 8:50. 6:12 for funky shot of the 'flattened' image to give you a sense of what 'trick' they're playing
It didn't take long after the first social graph was created to realize that your contacts define you as much or even more than your other indicators do. That's why so many companies are gunning for this information.
I was wondering, what would happen, if I would add all the phone numbers from the Facebook leak to my contacts. Did anybody try something like this? What is the upper contact limit?
I’ve been using ArchiveBox since the last time it popped up on HN and I like it a lot. It recently got a significant UI upgrade.
Teaching people to change their language is super expensive. Instead of just writing down the words that comes to mind, they now have to run every word in a hash table to see if it is good, and then if it comes up bad they have to invent a new term or look up what the new term ought to be. Multiply this with however many people has to learn the new terms and you understand why there is so much pushback to changing language. Changing one word is fine, but if there is no pushback people just continue asking for more and more changes as can be seen in the document we are talking about.

Everyone already knows that "manmade" is an inclusive term, if women or children makes something it is still "manmade" so there is no need to update the term. If you say that wording matters, then you also should be against the term "toxic masculinity" since it is a very aggravating term, there are so many less aggravating terms that could be used for that phenomena.

Edit: If you don't understand how expensive these things are try to think about why USA still uses AM/PM and the imperial measuring systems. It is trivial to switch on all new products, right? Well, of course that isn't true, changing language is as I said super expensive which is why it isn't done often.
Yeah it even renders weird, like the page is completely rebuilt on every navigation... even when moving back through the history in chrome on a desktop. ̛It's definitely a little off putting. Stepping through with the debugger it actually seems to be rebuilding the whole page every time you navigate... Anyone more familiar with the whole Gatsby javascript framework/library/stack/thing able to chime in on what is going on? (and if its normal?)
If it's something you're occasionally going to post to and you're more into the tech behind the site than writing go for a static site generator.

If you'd like an easy to use system, with a decent ecosystem I'd take a look at Ghost.

If you are looking to take things seriously, writing often, thinking about extended features and want to be up and running quickly Wordpress still reigns here. So long as you keep it lean it's the most batteries included system out there and you can run it on your own machines.
I guess that’s not how people imagine holograms based on sci-fi.
From the benchmarks:

> Rust is not that fast because it needs to copy data;

I'm surprised.

Don't know much about Rust, but isn't it hailed as being competitive with C/C++ ?
I respect your opinion, and if you're the type of person who considers that a blanket conflict of interest than our book isn't for you.

I don't consider that good or bad, it just is. Similar to how some people prefer fish over meat and vice versa.

However, I will push back against the broad stroke generalization that you either teach people for free or charge money and be considered a scam.

Our advice is solid and battle-tested. There's Rob who wrote the Mom Test and Devin who wrote The Workshop Survival guide with Rob. And then there's our community with over a 100 up and coming authors who we're helping increase the probability of success through our process. The early results are already positive and it'll only improve as we keep trying to nail our process even more.

Is YC a scam because it isn't free?

If an author is like Tai Lopez you don't get word of mouth and burn through your lead pool. That means you're constantly trying to attract fresh leads, which is why these scams eventually tend to break.

What we're doing is teaching a process that minimizes some of the common mistakes authors make. Yes, we're charging money for that.

But if you look at our process, or heck, just read this article, you should be able to see that there's value worth paying for.

If you use nothing else but this article with these 4 common pitfalls to avoid, you'll do better vs. not having read it. And this was free.

So, I don't think your argument holds any water.
> To often people speak of their government as completely abstract separated entity they can only submit to.

it is a compromise. I don't want to live in anarchy (sorry, a libertarian world) because like extreme communism it has inherent flaws. Thus I submit to being ruled by the UK government, and actively vote in elections. However as its a compromise, no present party with a chance of winning power reflects my views, thus compromise.

However to your main point. Anonymous easy payments are a vector for corruption, crime and general bad stuff. Sure there are good usecases for it, but mostly it'll be used to avoid tax.
If you want to make an apple pie you must first invent the universe.
If you were primed for it by the earlier post, sure, but if you saw it out of the blue I doubt you'd know what it sefgiiind.
Cool project. If this project become stable it probably will replaces Disqus and friends with decentralized features.
Where to start when selecting a beginner-level Vue.js course?
I don't eat pork, and the work hamburger is not offensive to me. Plus, it comes from Hamburg.

I'm tired of virtue signallers telling others what to be offended about and what not to be offended about.
Niceone
You can message a person without adding them to your contacts, if you know their phone number.

https://wa.me/their-phone-number-in-international-format . Type this link in the browser or in some chat. Long press, click open and it will open in whatsapp by default.

You can start a chat with yourself in whatsapp, to send these links to yourself and easily click on them. (type wa.me/your-phone-number-in-international-format , click and send any message )
What would happen if you walked in to their server room and tried to update their database to reverse a payment?
> Such is the amount of private wealth in Shanghai that exclusive purchases there are now more expensive than anywhere else in the world

That’s an awfully misleading headline.
> The ISA was shown to be patent free.

Please stop repeating this.

First of all, before winning a few court cases we can't really be sure.

Also, probably well above 99% of patents in this area are not about the ISA but various implementation and optimization details.

As fun as riscv is, the patent free statement is (at this point) just marketing talk by Berkley.
"It's obviously airborne" is what that article says, and it appears to be in response to this: https://f1000research.com/articles/10-232/v1
The problem is lack of standardization. My desktop is decked out the way I like. That's different from how you'd like.

I'd obviously buy a high-quality high-res reflective display for my laptop. I wouldn't swap out the rest of my laptop for a random laptop with a high-quality high-res reflective display.

But you can't just swap laptop components, except for sometimes SSD, RAM, and wifi card.

If there were an industry-standard 13" and 15" laptop form factor with swapable components like a desktop, there would be a market for eInk displays and other oddballs. You could stick them in your HP, and Ivanka could stick it in her Lenovo. I'd buy a:

* Keyboard with eraser dongle

* Overbuild, rugged case (think ToughBook). I don't mind the weight.

* Motherboard with two M.2 slots (for RAID), ECC memory, and lots of ports

* High-res outdoor readable display

* High-quality microphone and camera (I don't care about speakers)

And stick it all together.

I'd never buy a Toughbook as-is, since the display doesn't have enough resolution. I don't like a lot of the workstation/gaming style laptops either, mostly since they use a ton of power, which leads to fan noise, heat, and other annoyances.

At the end of the day, without being able to customize, the thinner laptop with shitty keyboard seems to be what I want.
The traditional uses of split-flap displays were sports arena scoreboards, airports and train stations.

i.e. places where you want a very large display that's readable in direct sunlight.

If you were equipping a train station or airport in the 1980s, your options were split-flap displays, CRTs with sunshades over them (maximum size ~20 inches), a multi-CRT video wall ($$$$$$$$), a vane display (numbers only) or a flip-dot display. And a lot of places that were equipped with them in the 1980s still had them in the late 1990s.

These days you'd use an LED display, or a sunlight-readable TFT.
> People often do drive through lights unintentionally. If that is a proximate cause of an accident they are punished for negligence, not murder.

No, traffic violations are generally strict liability, intent, or mental state more generally, does not matter.

Sure, if you intend to kill and do, then you will also be guilty of murder, but that is a separate and additional issue.
> the pound is pretty digital already.

What you didn't mention is that it's also already pretty digital at point of sale as well; Contactless payment, i.e. "card taps" are very common.
rust has concept of references, maybe it was referring to its particular implementation of the problem
Was working on a small scale startup trying to do this a couple of years ago using more DIY-style 3d printers and flexible fillament:
https://dialectic.design/project/solemaker

Very impressive to see Adidas committing to this concept with real industrial robots and printers for a couple of years already with the Speedfactory and this etc.
Real-time home loan marketplace
Ask HN: Why there are no digital photo frames with OLED display available?
Aren't OLED displays the perfect fit for photo frames? Photos could nearly look like real pictures.

But I can't find a photo frame with OLED display. Kodak made one years ago (Kodak OLED OL 7620) but it's not produced anymore.

I also tried to build one by myself with a Raspberry Pi or so, but even simple OLED displays aren't available outside of TV sizes.

Is there a reason why smaller OLEDs aren't produced?
Lots of what they do on the M1 is stuff that PowerVR was doing before (and apple's older GPUs were based on PowerVR's via a licensing deal). There are other vendors who have also ditched some of this stuff.

It's a smart move for Apple to double down on pruning hw features you don't think you need, but sadly you can only go all-in on it if you control the entire ecosystem.
Thanks! It’s open-source too. There’s a link to the GitHub in the footer.
That sentence refers to the traditional method, not our method.
They were refreshing the page, and I saw a new line appear every now and then, and later also (I think) a graph too. So I am assuming that it was a repo where their various tools outputted processed results of the incoming data.
It was a low frame rate initial video, which had the effect of making the helicopter look like it suddenly shot up to the 3 metre point. Apparently proper decent FPS video clips will be downloaded over the next couple of days which should show a smoother (but still quite fast) ascent.
How to Attract Customers in a Sea of Noise and Sameness
This seems to happen a lot. Not the first time I've seen this crop up in an HN thread.
So cool to see these kinds of in my mind pretty advanced interactive interfaces become easily reusable modules to integrate with any kind of application.
> flag (command-line context)

Looks like Google backed golang needs to change their library: https://golang.org/pkg/flag/
good one!!
If the immigrants were drug dealers yes, but (1) the survey responders are researchers who published in prestigious AI conferences (ICML and NeurIPS) and (2) there is a positive correlation between immigration and technological innovation.

Based on these points, restricting immigration of AI researchers looks rather dumb.
Mortgage bubbles don't appear out of thin air, it's a debt bubble. Why does a saver have to pay for debtors?
Curl is so awesome :)
The reason this abuse of privacy is so widespread is because there are no bad consequences for the perpetrators.

Governments don't enforce privacy acts in this circumstance.

Users just roll their eyes, knowing there is no way for them to complain except though boycotts, which are difficult to organise and might not work unless coordinated on a massive scale which has never been tried.

And so it goes.
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We know that notes with simple ratios to their frequencies sound 'good' together (e.g. an octave is a 2:1 frequency ratio, a 'fifth' is more or less a 3:2 frequency ratio), a perfect fourth is 4:3 ratio - https://en.wikipedia.org/wiki/Interval_ratio

Equal temperament messes with that a little but its still approximately there.

So why should simple ratios sound good? From what I've read, its probably overtones, and the way overtones excite the cilia in our inner ear. If you plot the overtones from the two notes of an octave or a fifth, they co-incide a lot.

And then why the pattern of notes on the piano keyboard? (More precisely 'why does the major scale use those 7 semitones?') ... I think with that scale, and the other scales, its something to do with squeezing the most amount of 'relationships' possible from a subset of notes without muddying the waters by having too many in play. Music is all about patterns and a mix of repetition and progression, and so having a finite number of notes that have intersting relationships with each other gives a good canvas to work with.

(Any why 12 semitones? Again, to do with getting the most interesting relationships without muddying things ... I think its possible to divide the octave into 19 or 43 parts and get some interesting ratios/relationships, but then it gets quite fiddly)
What's your setup like?
I use VMWare workstation pro- I have Windows Enterprise 2019 LTSC N installed and snapshotted to a base VM.

Any time I need to do anything, I will full clone the base; with a decent SSD it takes maybe 10 seconds for the full clone and I have a full OS.
The two rotor blades are just under 4 feet long, and spin in opposite directions at 2,500rpm. The rotor tips are moving at about 2/3 of the speed of sound on Mars. (For ref, Ingenuity weighed 4 pounds on Earth, so about 1.5 pounds in Martian gravity.)
I didn't know that. Thanks.

I suppose the consequences for Westpac are... nothing.