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Faster Practical Modular Inversion

https://purplesyringa.moe/blog/faster-practical-modular-inversion/
1•todsacerdoti•1m ago•0 comments

Americans are hungry for community. So why don't we have European-style squares?

https://www.cnn.com/2025/12/19/travel/europe-public-squares-american-development
1•rawgabbit•6m ago•0 comments

Speech to text model for healthcare-based voice applications

https://huggingface.co/google/medasr
1•tzury•8m ago•0 comments

Show HN: Spelling Bee Trainer

https://spell2.netlify.app/
1•rahimnathwani•10m ago•0 comments

Show HN: SHA-256 quasi-collision with 184/256 matching bits

https://github.com/POlLLOGAMER/SHA-256-Colision-Finder-NEW.ipynb/blob/main/Base_Version/SHA_256_C...
1•KaoruAK•11m ago•0 comments

Google sues web scraper for sucking up search results 'at an astonishing scale'

https://www.theverge.com/news/848365/google-scraper-lawsuit-serpapi
1•tzury•12m ago•0 comments

What Is Threads Trends Tool?

1•Tech_News_Daily•12m ago•0 comments

24h with an experienced eng/designer and Opus 4.5

https://make.zen2.ai/
1•kwcto•12m ago•1 comments

What the Smartest Minds Think About AI

https://www.wsj.com/tech/ai/ai-conference-neurips-ff6398df
1•jonbaer•17m ago•0 comments

Making Aircrete with kitchen ingredients [video]

https://www.youtube.com/watch?v=z4_GxPHwqkA
2•ludicrousdispla•21m ago•0 comments

Redactle #1354

https://redactle.net/1354
1•brikym•23m ago•0 comments

How AI agents will transform the way we work in 2026

https://blog.google/products/google-cloud/ai-business-trends-report-2026/
1•achow•29m ago•0 comments

daff: align and compare tables

https://github.com/paulfitz/daff
2•indigodaddy•37m ago•0 comments

Show HN: BananaSlice – free Generative Fill alternative using Nano Banana

https://github.com/IrfanulM/BananaSlice
1•irfanul•38m ago•0 comments

Maestro Cross-Platform Desktop Agent Orchestrator (Free/OSS)

https://github.com/pedramamini/Maestro
1•pedramamini•48m ago•1 comments

Show HN: Ganttchart-webviz – Web-based Gantt chart generator

https://github.com/altilunium/ganttchart-webviz
1•altilunium•51m ago•0 comments

Flock Said It Does Not Use Dark Web Data. Code Analysis Tells a Different Story

https://nexanet.ai/blog/license-plate-reader-company-flock-said-it-does-not-use-dark-web-data-my-...
6•defrost•51m ago•0 comments

NitroGen: Unified vision-to-action model designed to play video games

https://huggingface.co/nvidia/NitroGen
2•intelkishan•59m ago•0 comments

Kebabs, biryani and more: Indian city on UNESCO culinary list

https://www.bbc.com/news/articles/cwyp8erjp82o
1•koolhead17•1h ago•1 comments

Seattle's Delivery Minimum Wage Failed Drivers and Raised Costs

https://reason.com/2025/12/20/seattles-delivery-minimum-wage-failed-drivers-and-raised-costs/
2•mhb•1h ago•0 comments

The Machine Stops [pdf]

https://www.cs.ucdavis.edu/~koehl/Teaching/ECS188/PDF_files/Machine_stops.pdf
2•morpheos137•1h ago•0 comments

ModRetro announces Anduril-themed Gameboy Clone

https://modretro.com/products/anduril-chromatic-porta-pro-bundle
1•jscottmiller•1h ago•1 comments

Day 2 of Building ScrapeForge

1•Vishwas-Batra•1h ago•0 comments

TikTok Says Chinese Owner Will Retain Core US Business

https://www.ft.com/content/7a778d46-8bf8-4b11-af4e-5e5bd891cb9d
3•sarimkx•1h ago•1 comments

Performance trick: optimistic vs. pessimistic checks

https://lemire.me/blog/2025/12/20/performance-trick-optimistic-vs-pessimistic-checks/
1•tuananh•1h ago•0 comments

Marriott App Now Prompts You to Tip Staff – So Hotels Can Cut Wage Costs

https://viewfromthewing.com/marriott-app-now-prompts-you-to-tip-staff-so-hotels-can-cut-wage-costs/
12•cwwc•1h ago•3 comments

Luna NFC/RFID Poker Cards

https://electricks.info/product/luna-nfc-rfid-poker-cards/
2•gregsadetsky•1h ago•0 comments

How capacity hints work in Go

https://www.grobinson.net/2023/09/30/how-capacity-hints-work-in-go/
1•todsacerdoti•1h ago•0 comments

Wordiest: Android APK ported to iOS by ChatGPT 5.2

https://blog.fsck.com/2025/12/20/wordiest/
2•cpeterso•1h ago•0 comments

Disc-shaped satellite design offers unmatched power-to-weight ratio

https://arstechnica.com/science/2025/12/heres-why-nasa-and-the-space-force-are-interested-in-pizz...
1•walterbell•1h ago•0 comments
Open in hackernews

Anatomy of US inequality

https://www.nber.org/papers/w34558
66•hhs•3h ago

Comments

i_am_a_peasant•3h ago
Privilege breeds privilege. Once you have at least a little bit of it. You can generate a little bit more with it.

The bar that you get to grow up in a relatively safe place, with non toxic friends or parents is quite high already. I haven’t been lucky to have grown up in a safe place or in a good family, but I did manage to make good friends, and if I had not been lucky enough to have positive experiences with some real smart resourceful people, I probably wouldn’t had been alive today. Not to sound too dramatic.

Every time I visited the US it was mostly to visit people who were in a very privileged position. They either rented an expensive apartment in new york city in an ok neighborhood, or they owned a 3 story house in the suburbs. When we drove to walmart I could already see in the parking lots the stark differences between people who called this country home.

Next to us parked a family, 3 kids, a car that looked like it was falling apart next to my friend’s huge modern SUV. I wonder if any of them will ever br able to afford an SUV, I wonder how many of them will be able to go to college. The father and mother were yelling a lot at those poor kids. Everyone looked overweight(no offense), the father literally obese. And we went on with our day. I bought a bunch of random stuff I didn’t really need and ate a lobster sandwich. And I kind of forgot for a long time that family ever existed, except for the couple of times I randomly remember them. Hope they’re alright.

somewhereoutth•2h ago
I spent a couple of years in the States before returning to Europe. I really had no idea what happened to people - what they became - if they weren't fed and watered properly. I had always assumed that the way people were was just how people are. Scary how much we take for granted.
AnotherGoodName•2h ago
This is true when you look at raw numbers but you'll still get some pushback on this fact since the pace of USA's drop in median wealth has been so sudden. As in my home country of Australia now has ~2.5x the median wealth per capita compared to the USA. This never used to be the case at all. Australia still has a lower average wealth but this is just telling of the extreme inequality. The median and averages aren't meant to be this far apart.

https://en.wikipedia.org/wiki/List_of_countries_by_wealth_pe...

Sort by median and compare to average wealth to see the issue the USA has right now. The USA's median wealth in 2007 was $173,151 in inflation adjusted teams for some reference, it dropped in 2008 and never really recovered. It's now well below many other Western nations.

hinoki•1h ago
Do you have data showing a drop in per capita median wealth?

I found this nice visualisation: https://www.federalreserve.gov/releases/z1/dataviz/dfa/distr...

But it’s totals, and not inflation adjusted.

AnotherGoodName•1h ago
https://dqydj.com/net-worth-by-year/ See "Median Net Worth by Year".

It's inflation adjusted to 2022 though, not 2025 (hopefully at least that's still in ballpark though). There was a slight spike upwards for median wealth during the pandemic fwiw. This seems to have entirely corrected though.

something98•1h ago
I think your historic trend data is out of date. The inflation-adjusted median wealth crossed the 2007 bar sometime between 2019 and 2022.

See the "CPI-Adjusted to 2022" column https://dqydj.com/net-worth-by-year/

AnotherGoodName•1h ago
I'm not sure why that 2022 number is so much higher than the previous years listed.

I guess the stimulus checks and stock market movements during the pandemic brought the median and average closer together for a year? Regardless it didn't hold, it's back below 2007's level again today by any measure.

stevenwoo•1h ago
Nomadland the book documents this for a lot of Americans surviving in the brink in the aftermath of the 2008 crash, turning to living in vans and RVs, a less glamorous version of van life, barely scraping by and eventually bad luck or circumstance of some kind of another just crushes individuals. Even in Silicon Valley just a few streets from Google HQ in Mountain View on Longhorn and other streets there are several blocks filled with RVs of folks I assume like the ones in Nomadland. https://maps.app.goo.gl/KQY2AWL2sNfGem44A
jsolson•1h ago
I realize this isn't the meat of your post, but you ate a lobster sandwich at Walmart?

I cannot help but think of https://youtu.be/Pj-D0jc17D0?si=BiEGWr9aacGdAkGW

sokoloff•1h ago
“Gas Station Sushi: Fresh one day a week, but no one knows which one…”

I read the post as involving seeing the other family at Walmart, but the buying of things not needed and consumption of lobster as happening elsewhere.

rayiner•1h ago
I don’t think it’s helpful to talk about it in terms of “privilege.” It’s not about being lucky enough to be born into privilege, but not being unlucky enough to be born into structural dysfunction.

If you compare income mobility between parents and adult children in the U.S. versus Denmark, it looks quite similar for the top 80%. https://archive.nytimes.com/www.nytimes.com/interactive/2012.... Someone raised in the second lowest income quantile in the U.S. has about the same chance of ending up in the top income quantile as someone in Denmark. It’s the bottom 20% where Americans are twice as likely to get stuck there in comparison to people in Denmark.

PaulHoule•14m ago
Activism was a big part of my life, even full time at times, from 1991-2005 and I spent a lot of time going into rooms inhabited by different groups building bridges not to mention tabling, going door to door, getting signatures for political candidates, you name it. So I've had a lot of experience to how people react to different messages when I deliver them and when other people deliver them and I've got strong and grounded opinions about discourses that are counterproductive and make me wish I could use a hook to shuffle people off the stage.

The word "privilege" and especially the phrase "white privilege" is at the top of that list.

There really are some privileged individuals who are entitled and could use some bringing down but if you're speaking to a group you really don't where people are coming and frequently when I talk to an individual I find my expectations about their history and point of view are completely wrong. In particular I know a lot of white people who have black problems including the meaningless-but-fatal confrontations with the police. For the most part [1] black people are more concerned about racism in America than white people, but know many black people who resent the idea that they are first-and-foremost descendants of slaves and victims of racism and it's such a strongly held feeling for some that if you give them a choice of a strident "anti-racist" and a flagrant racist they'll pick the latter.

[1] I've met exceptions!

PaulHoule•13m ago
People have been so hung up on this idea of intelligence being heritable or not heritable that it's almost forgotten that severe mental illness (schizophrenia, bipolar, major depression) is highly heritable -- and there are few things that can sidetrack your life like that.
mothballed•7m ago
I've lived in about every demographic area of the USA and the only thing that would have gave them away to me as poor in your SUV/walmart story is that they were all fat. Being fat is the best marker of poverty in the USA. The rest just sounds like the lifestyle of Warren Buffett which isn't terribly unusual as the comfortably rich generally only worry about flashy cars if they're a motorhead and often get there in part by being thrifty.
cyberax•1h ago
I'm struggling to interpret this study. They seem to attribute the majority (~96%) of inequality to non-ethnic, non-racial factors.

So the inequality of income of poor white people and rich white people has the same causes as for poor vs. rich black people.

Am I understanding it correctly?

itsanaccount•1h ago
aint no war but class war, correct. https://en.wikipedia.org/wiki/Pyramid_of_Capitalist_System

just realize that poster is more than a century old and it will probably still be being explained a hundred years from now.

bilbo0s•1h ago
That's as may be, but still, remember what Lyndon B Johnson said about controlling the lower classes.

Something about convincing the lowest white person that they're better than the best black guy.

I don't see that ploy failing to work in the US for a long, long time. So maybe the elites will lose control and thus, the "war"? But I doubt it.

seanmcdirmid•1h ago
Are you sure you aren't trying to quote Truman?

"To keep a black guy down in the gutter, you need a white guy there with him"

anonymars•30m ago
"I'll tell you what's at the bottom of it. If you can convince the lowest white man he's better than the best colored man, he won't notice you're picking his pocket. Hell, give him somebody to look down on, and he'll empty his pockets for you."

https://www.snopes.com/fact-check/lbj-convince-the-lowest-wh...

francisofascii•1h ago
I don’t think they say it has the same cause. They just say that the same income disparity exists in the various ethnic groups.
mr_tristan•1h ago
I wonder if at a certain point, someone learns about compounding, and just sticks with it, building generational wealth. And poof, the wealth just keeps growing as long as the descendants don’t make errors.

We seem to love creating stories about why so-and-so is rich, but, I suspect the most common answer is “time, patience, and no major bad luck”.

sokoloff•1h ago
I also suspect that’s the most common path to single-digit millionaire in the US. My parents were the first generation on either side to attend college and the steady economic progress across 5 generations is impossible to miss.

Teaching the next generation(s) about how to invest (in self and in markets), not spend time nor money to frivolous excess, and delaying gratification are other critical parts of sustainability of family wealth. I think those were as big a factor as any other in the 5 generations from my kids back to their great-great-grandparents.

adabyron•33m ago
I'm not sure if the next few generations will have the same opportunities as the last few that enjoyed America's dominate place in the world, who also took out incredible amounts of debt that the upcoming generations will have to pay back somehow.

The values you mention are timeless & should be taught to all.

Hopefully technology continues to be a thing that rises all boats & that more people can get said boat.

I fear the current tax laws, political contributions & financial regulations favor those with more wealth so much that when you factor in compounding, their wealth will continue to grow at extreme levels compared to those with less wealth. Retail needs to start pulling their money out of stocks until large companies reduce executive pay to reasonable levels. Otherwise we just blindly keep supporting this current chaos. I believe we also need to start taxing margin loans, instead of going down a wealth tax road.

sokoloff•6m ago
> The values you mention are timeless & should be taught to all.

Agreed, with the related note that I think that facts/knowledge can be taught by strangers, but values must be taught by family or another tight community structure (church, respected elders, or similar). Schools can prattle on all they want about delayed gratification and it won’t move the needle.

Epa095•32m ago
Over the last 100 years, the S&P 500 has grown with an average of 6% yearly adjusted for inflation (9.8% nominally).

That means an inflation adjusted doubling every 12 year.

It also means that if you manage to live on e.g 1% of the wealth annually, your wealth will double(inflation adjusted) every 15 year.

So yeah, as long as you don't get too many children (branching factor not more than 4) you 'just' need to get filthy rich, and none of your descendants ever need working.

smallmancontrov•20m ago
The last 100 years has been the era of the American Empire, which is monetized through the network effects of the dollar and dollar-denominated-assets. We don't have ships full of Potosí silver, but we do have 10% yearly S&P returns in an economy growing 3%. Extrapolating another year of that is probably reasonable, extrapolating another 100 years of that is probably not.
phyzix5761•27m ago
Even within compounding there's an interesting phenomenon.

Start with $100 and compound it at 10% per year for 30 years and you end up with about $1,700. Improve that return by just 1% to 11% and after the same 30 years you have about $2,300.

That small 1% edge produces roughly 35% more money in the end. Compounding is extremely powerful, and even marginally better money management leads to vastly better outcomes over time.

exabrial•46m ago
If you’re in the USA, you are thousands of times richer that the vast majority of the world.

Stop whining.

mothballed•21m ago
Idk my family in the Phillipines can literally just build a shack near a city with jobs no permits or anything, then carry your kids 5 up on a moped without being hassled by cops. I took a family member to the ER and only charge was $5 worth of pesos for meds, no other charges.

Building a shack with nothing but bamboo and no paperwork in US is illegal almost everywhere, transporting kids this way would get you pulled over, and you spend a fortune to get healthcare to the point of getting Phillipines tier healthcare.

Nominally we're richer, with the freedom to have cops bring violence to us if we're not and we try to keep our unpermitted urban shack. It feels like you have to earn a fortune in the USA to do the things poor countries almost take for granted.

bjackson2718•43m ago
Inequality is proof of free markets. Free markets are proof of prosperity maximalism. Worry about raising the floor, not the distance of floor to ceiling (there is no ceiling - shoutout Lil Wayne).
smallmancontrov•30m ago
There are a sizable number of levers that raise the ceiling by lowering the floor. For some reason, intentionally giving all the power to people near the ceiling makes pulling these levers very popular. Not sure what the reason could be. Maybe we'll figure it out one day.
phyzix5761•19m ago
Where to read the full article?
Avicebron•2m ago
https://www.nber.org/system/files/working_papers/w34558/w345...