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OpenCiv3: Open-source, cross-platform reimagining of Civilization III

https://openciv3.org/
494•klaussilveira•8h ago•135 comments

The Waymo World Model

https://waymo.com/blog/2026/02/the-waymo-world-model-a-new-frontier-for-autonomous-driving-simula...
835•xnx•13h ago•500 comments

How we made geo joins 400× faster with H3 indexes

https://floedb.ai/blog/how-we-made-geo-joins-400-faster-with-h3-indexes
52•matheusalmeida•1d ago•10 comments

A century of hair samples proves leaded gas ban worked

https://arstechnica.com/science/2026/02/a-century-of-hair-samples-proves-leaded-gas-ban-worked/
108•jnord•4d ago•17 comments

Monty: A minimal, secure Python interpreter written in Rust for use by AI

https://github.com/pydantic/monty
162•dmpetrov•8h ago•75 comments

Show HN: Look Ma, No Linux: Shell, App Installer, Vi, Cc on ESP32-S3 / BreezyBox

https://github.com/valdanylchuk/breezydemo
166•isitcontent•8h ago•18 comments

Dark Alley Mathematics

https://blog.szczepan.org/blog/three-points/
59•quibono•4d ago•10 comments

Show HN: I spent 4 years building a UI design tool with only the features I use

https://vecti.com
274•vecti•10h ago•127 comments

Show HN: If you lose your memory, how to regain access to your computer?

https://eljojo.github.io/rememory/
221•eljojo•11h ago•138 comments

Microsoft open-sources LiteBox, a security-focused library OS

https://github.com/microsoft/litebox
337•aktau•14h ago•163 comments

Show HN: ARM64 Android Dev Kit

https://github.com/denuoweb/ARM64-ADK
11•denuoweb•1d ago•0 comments

Sheldon Brown's Bicycle Technical Info

https://www.sheldonbrown.com/
332•ostacke•14h ago•89 comments

PC Floppy Copy Protection: Vault Prolok

https://martypc.blogspot.com/2024/09/pc-floppy-copy-protection-vault-prolok.html
34•kmm•4d ago•2 comments

Hackers (1995) Animated Experience

https://hackers-1995.vercel.app/
420•todsacerdoti•16h ago•221 comments

An Update on Heroku

https://www.heroku.com/blog/an-update-on-heroku/
355•lstoll•14h ago•246 comments

Female Asian Elephant Calf Born at the Smithsonian National Zoo

https://www.si.edu/newsdesk/releases/female-asian-elephant-calf-born-smithsonians-national-zoo-an...
15•gmays•3h ago•2 comments

Delimited Continuations vs. Lwt for Threads

https://mirageos.org/blog/delimcc-vs-lwt
9•romes•4d ago•1 comments

Show HN: R3forth, a ColorForth-inspired language with a tiny VM

https://github.com/phreda4/r3
56•phreda4•7h ago•9 comments

How to effectively write quality code with AI

https://heidenstedt.org/posts/2026/how-to-effectively-write-quality-code-with-ai/
209•i5heu•11h ago•153 comments

I spent 5 years in DevOps – Solutions engineering gave me what I was missing

https://infisical.com/blog/devops-to-solutions-engineering
121•vmatsiiako•13h ago•49 comments

Introducing the Developer Knowledge API and MCP Server

https://developers.googleblog.com/introducing-the-developer-knowledge-api-and-mcp-server/
32•gfortaine•5h ago•6 comments

Learning from context is harder than we thought

https://hy.tencent.com/research/100025?langVersion=en
157•limoce•3d ago•79 comments

Understanding Neural Network, Visually

https://visualrambling.space/neural-network/
257•surprisetalk•3d ago•33 comments

I now assume that all ads on Apple news are scams

https://kirkville.com/i-now-assume-that-all-ads-on-apple-news-are-scams/
1011•cdrnsf•17h ago•421 comments

FORTH? Really!?

https://rescrv.net/w/2026/02/06/associative
51•rescrv•16h ago•17 comments

I'm going to cure my girlfriend's brain tumor

https://andrewjrod.substack.com/p/im-going-to-cure-my-girlfriends-brain
91•ray__•4h ago•41 comments

Evaluating and mitigating the growing risk of LLM-discovered 0-days

https://red.anthropic.com/2026/zero-days/
43•lebovic•1d ago•12 comments

How virtual textures work

https://www.shlom.dev/articles/how-virtual-textures-really-work/
34•betamark•15h ago•29 comments

Show HN: Smooth CLI – Token-efficient browser for AI agents

https://docs.smooth.sh/cli/overview
78•antves•1d ago•59 comments

Show HN: Slack CLI for Agents

https://github.com/stablyai/agent-slack
43•nwparker•1d ago•11 comments
Open in hackernews

Foreign tech workers are avoiding travel to the US

https://www.computerworld.com/article/4110681/foreign-tech-workers-are-avoiding-travel-to-the-us.html
99•CrankyBear•1mo ago

Comments

Havoc•1mo ago
It’s an inevitable outcome of the hostile and unpredictable enforcement of rules that can change whenever trump has a bad day
garbawarb•1mo ago
The only constant is that things are always changing, and getting more hostile for foreigners. It's disingenuous to blame Trump when this is what U.S. voters chose.
tw04•1mo ago
> It's disingenuous to blame Trump when this is what U.S. voters chose.

It’s really not. Exit polls show a tiny fraction of voters picked Trump for anything other than his empty promises of “instantly fixing the economy”.

That’s ignoring all the people who didn’t vote at all. Saying not voting is the same as voting for the bad thing is an empty accusation that lacks critical thinking.

fyrepuffs•1mo ago
...and the price of eggs. Don't forget that.
andsoitis•1mo ago
> It’s really not. Exit polls show a tiny fraction of voters picked Trump for anything other than his empty promises of “instantly fixing the economy”.

Pew Research disagrees. https://www.pewresearch.org/short-reads/2024/11/13/what-trum...

Economy ranked #1 - 93% said it was very important (side note: something Democrats somehow missed).

Second was immigration - 82% said it was very important (another thing Democrats missed).

Less important to Trump voters: climate change (11% said it was very important), racial and ethnic equality (18% said it was very important), and abortion (35%).

lesuorac•1mo ago
Interesting poll.

> > The one topic that lagged a bit was health care: 58% said they knew what he would do if he won the race.

I would love to see a deep dive on the 58%'s answer since Trump has had a healthcare plan since 2015 that we have yet to see.

nsbsh•1mo ago
cia bot. stop spamming this site with your political bullshit
lesuorac•1mo ago
Not voting is probably worse. Candidates won't exist that reflect your preferences if you don't actually demonstrate them.

I do wish we'd have a bunch of electoral reforms but those candidates don't do well during primaries.

Loughla•1mo ago
I'm convinced it's the primary that is breaking the elections here. You have to pander to the kind of people that vote in primaries - more extreme or more available being the key demographics there. So either people with political beliefs way off the party average, or old people.
tw04•1mo ago
Until/unless we institute ranked choice voting, the vast majority of people will NEVER have a candidate that reflects their preferences in any meaningful way.
JumpCrisscross•1mo ago
> Saying not voting is the same as voting for the bad thing is an empty accusation that lacks critical thinking

It's game theory. Gaining a vote is as valuable as convincing someone who would have voted against you to not turn out.

Caveat: if you aren't in a swing state, and we're constraining ourselves to the Presidency, you're right. (Though not voting on anything on the ballot is just stupidity or laziness. Pretty much every jurisdiction has meangingful issues being decided by plebiscite every few years.)

If you're in a swing state, however, not voting endorses the status quo. It may not be what was intended by the voter. But drunk drivers are dangerous irrespective of intent.

In practice, the issues people tend to bring up for conscientously not voting tend to be comically undone by the winner of the election. And if you tallied up everyone who didn't vote (let's take them at their word that it's conscientiousness), you'd swing almost every election. So yeah, a non-voter and a MAGA voter are electorally identical, ceteris paribus.

iso1631•1mo ago
If 100 million people vote for someone who promises an instant fix to anything, then they deserve what they get.
JumpCrisscross•1mo ago
> disingenuous to blame Trump when this is what U.S. voters chose

Trump legitimately campaigned on being cruel to illegal migrants and refugees. He also campaigned on reducing immigration in general. To that extent, you are correct inasmuch as Trump's H1-B policies were promised. (MAGA wasn't subtle [1].)

Where I think we can legitimately say this is MAGA versus Republicans is in the reverse brain drain. America in the 1950s was a destination for top minds. Ameirca in the 2020s is not. Part of that is due to remote work. Part due to us not being in the wake of a world war. But part was due to an explicit policy to attract the most ambitious to America, and then to encourage them to stay.

[1] https://m.economictimes.com/news/international/world-news/wo...

lowkey_•1mo ago
> Where I think we can legitimately say this is MAGA versus Republicans is in the reverse brain drain. America in the 1950s was a destination for top minds. Ameirca in the 2020s is not.

I do think it's counter-productive for America to make it harder for legal and talented immigrants, and we should fix that - but what's your evidence that America isn't still the world capital for the ambitious?

Statistically: The close competitors (e.g. Western Europe, Canada) are looking pretty dire economically compared to the US.

Anecdotally: I have friends from Estonia, Canada, the UK, and France that are all clamoring to be in America for the opportunity.

Historically: Post-WWII in the 1950s, 6.9% of the population was foreign-born. It's now 15.8%. So are we really more closed-off than we were then? Or is this just the response to the ever-increasing interest in immigrating because of the US being as compelling as it is?

JumpCrisscross•1mo ago
> what's your evidence that America isn't still the world capital for the ambitious?

It's a loose hypothesis informed by e.g. this article.

I think America remains a net attractor. If you're smart and driven, you can become a multi-millionaire in America in a way that's harder almost anywhere else. But I'm saying harder. Decades prior, that was closer to impossible. Instead, we're now increasingly the economy where political connections dominate talent. (Again, we're still mostly not that. But we're shifting from the destination to one where talented people in India and China, for example, increasingly stay home.)

garbawarb•1mo ago
That's not true because no other country is even trying to take the lead, economically speaking. China is the only country that pursues innovation nearly as aggressively but they're not a desirable immigration destination. Canada and European countries are in the best position to step up, but they're not doing so other than being more welcoming than the US in accepting skilled immigrants. The economic incentives (capital markets, risk-taking, business-friendliness, talent density) haven't changed at all and if you're good at what you do, the US is still the best place in almost all cases. Enough that it's still often worth moving there despite how immigrant-hostile the country is.
JumpCrisscross•1mo ago
> no other country is even trying to take the lead

Nobody else is brain draining, correct. But neither is America. That cedes a comparative advantage.

China’s entire battery and solar platform is built on tech invented in America. They’ve since taken the lead on truly remaking modern manufacturing. But in an alternate world, A123 stayed American.

LightBug1•1mo ago
Shhhh ... when your competition is kicking themselves upside their own ass ... keep quiet and carry on.
Herring•1mo ago
It doesn't matter to conservatives. Look at the US South. They have been poor for generations because they dislike diversity more than they want a strong economy and common prosperity.

As far as I can tell the best fix is higher education (exposure to diverse viewpoints & critical thinking predicts partisan shifting). But I'm sure there are other options.

hollerith•1mo ago
Huh? The US South is wealthier than any country on earth that is not a tax haven excepting only the US as a whole and perhaps Norway with its oil wealth. (The US South was considerably poorer than the rest of the US, but the advent of air conditioning about 75 years ago eventually ended that.)

I'm going to guess that it also has more college graduates per capita than any country except the US as a whole.

Also, US states and US regions have almost no control over how diverse they are: the Federal government decides who to let into the country, then those people are free to chose which state to live in regardless of how much the residents of a state dislike immigrants.

galleywest200•1mo ago
Compared to New York City, an extremely diverse place?
quietsegfault•1mo ago
You don’t compare a US region to sovereign countries that don’t share federal transfers, monetary policy, or capital markets. The correct comparison might be the South vs other US regions. In that comparison the South has persistently lower incomes, higher poverty, worse health outcomes, and weaker mobility. And while immigration is federal, states clearly influence who stays through jobs, education, civil rights enforcement, and political climate.
hollerith•1mo ago
The Federal government has famously been involved in how well states enforce civil rights starting in the 1950s.

Also, the Southern US can't be doing that badly at guarding civil rights if a non-white immigrant can write,

>As a brown guy I'd prefer my odds in the reddest county in Mississippi than anywhere in Asia (other than my own ethnostate).

https://news.ycombinator.com/item?id=31227980

quietsegfault•1mo ago
That isn’t the gotcha you think it is. Saying “China is safer than Mississippi” depends entirely on defining safety as low visible street crime and ignoring state power.

China is safer only for people who are compliant, apolitical, unorganized, and unremarkable. For a disadvantaged person, the main risk is not random crime. In China there is no independent court, no reliable legal recourse, no protected media scrutiny, and no guaranteed exit. When something goes wrong, it cannot be challenged.

Mississippi has real and serious problems, but the state is constrained by federal courts, national law, public reporting, and internal mobility. Those constraints materially change the risk profile when abuse occurs.

Low street crime under an unconstrained government is not “safety.” It is conditional calm. Treating that as “safer” than a place with enforceable limits on state power misunderstands what actually puts disadvantaged people at risk.

Herring•1mo ago
The US South makes an art form out of institutional racism. Challenging isn't working - issues of poverty, health, education, etc are getting worse, not better. The median wealth of white households is now 10x higher than the median wealth of black households. In 1992, the multiple was 7x. These are issues of life and death, and the hostile state is clearly not that constrained. See what happened to Roe v Wade.

In China however, living standards are quickly catching up to the US. Average life expectancy has already caught up. See here https://data.worldhappiness.report/chart Fit 2 lines on that data and you can extrapolate by ~2030 China will be a better place to live. That's really not that far off. I suspect most of the tier 1 Chinese cities are already on par.

I get what you're saying and actually I don't entirely disagree. But in a lot of very practical ways the US already doesn't have democracy or rule of law.

quietsegfault•1mo ago
The key difference isn’t whether abuse happens, it’s what happens after.

In Mississippi, if a local official, police department, or state agency harms you, that action can be challenged outside the state that committed it. Federal courts can overrule Mississippi. National media can report it. NGOs can litigate it. You can leave the state. The same authority that harmed you does not get to decide whether it acted lawfully.

In China, when the state harms you, there is no external forum. Courts answer to the same party that ordered the action. Media cannot investigate it. Lawyers can be punished for challenging it. The authority that harms you also decides whether the harm was lawful, and that decision is final.

“China will be better on average by 2030” is not the same as “safer for minorities.” Tier-1 city averages describe the majority. Minorities face an unconstrained state with no external recourse. That distinction doesn’t show up in a line fit.

That difference is what “constraints” mean in practice. Worsening outcomes in Mississippi don’t erase it. Rising averages in China don’t replace it. It’s why calling China “safer” by pointing to low street crime misses the real source of risk for disadvantaged people.

Herring•1mo ago
You’re missing the point. Recourse doesn't matter much if you're bankrupted by health issues because your state blocked Medicaid expansion. If your state fails at education, you can't sue your way into a better life (though to be fair Mississippi has actually improved its schools recently). Institutional constraints don't help much when you're poor, pregnant, and have zero access to Planned Parenthood.

Averages tell enough of the story. Look at the US: In that WHR report we rank in the top 10 for Boomers but way down near 60th for Gen Z. That's what is dragging down the US curve. You can't hit Finland-level numbers without bringing everyone along. China still has a massive hill to climb, but they are determined, let’s see where they are in ten years.

Most Americans are very procedural, which is where I disagree. Personally at the end of the day all I care about is outcomes. I agree with Deng Xiaoping: It doesn't matter if a cat is black or white, as long as it catches mice.

kevin_thibedeau•1mo ago
> US states and US regions have almost no control over how diverse they are

I have an expanding blacklist of states I won't live in because of their broken policies. If you don't support freedom and liberty, you're not a welcome place for civic-minded Americans who can think past their nose. The states very much can control their appeal to outsiders but the demagogues that get elected don't care. There is a collective mind disease that has infected governance since the Gingrich era.

This leads to a self-sorting effect where people who have the means to leave go elsewhere. I grew up in Arkansas and not speaking as an ignorant outsider. I have no interest in living there because of the broad cultural problems and lack of work opportunity.

hollerith•1mo ago
OK, but the relevance of your comment to the comment I was replying to is unclear to me unless you are an immigrant into the US.
HAL3000•1mo ago
I think your entire analysis is based more on a hunch than on data. For example:

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

US is 9th, so the south alone would rank even lower.

analog31•1mo ago
A continual point of debate is whether the front-page economic indicators tell the whole story about the welfare of the population. The US lags behind many countries in areas such as life expectancy, infant mortality, maternal mortality, health care, suicide, motor vehicle deaths, violent crime, and so forth. We have lots of money, but our money doesn't seem to buy us as much quality of life. I say these things, though I'm doing OK money wise and have an otherwise decent lifestyle.

The disparity between the big indicators and the lives of the people is in fact a source of political contention. In 2024, people were angry in a "growing" economy that seemed to have gotten inflation and unemployment under control.

atmavatar•1mo ago
Is that before or after accounting for all the federal money it receives? The red states are the welfare queens of the union, with nearly all of them taking in more federal money than they return in tax revenue.
hollywood_court•1mo ago
The South is a bit of a lost cause. I was born and raised in Alabama. I spent many years out of the country and also living elsewhere in the US. But I've been back in Alabama since October 2010.

These people here love to shoot themselves in the foot.

I always say that Sherman should have never stopped. He should have burnt everything to the ground.

trgn•1mo ago
> They have been poor for generations

that will be news to a lot of people in the south.

dyauspitr•1mo ago
Stats > anecdotes
sonotathrowaway•1mo ago
One of the implications of having the worst education in the nation is that a lot of facts would surprise them.
therobots927•1mo ago
Welcome to the US. Please hand over your phone and social media logins so we can screen you for wrongthink. If you break an obscure law ICE may or may not disappear you to a black site. Enjoy your stay.
metadope•1mo ago
For some reason I am picturing Arnold Schwarzenegger in Total Recall, awakening to this unintentionally-funny dystopia as he tries to traverse port security.
cmxch•1mo ago
That level of scrutiny was fine for COVID regulation enforcement. What makes immigration different?
therobots927•1mo ago
Yeah remember when people were being arrested and sent to camps for not wearing a mask? Are you stupid or do you just think I am?
SilentM68•1mo ago
I'm not a fan of the way AI is developing, especially the threat it poses to jobs, but it has a way of finding, otherwise hard to locate, facts on the NET:

US manufacturing employment peaked in June 1979 at ~19.6 million jobs. It never "stopped" — output has grown — but jobs declined steadily afterward.

Main causes of job losses (especially sharp drop 2000–2010):

* Globalization and offshoring by US multinationals (key driver) * China's WTO entry (2001) + PNTR (2000), accelerating imports * Automation/productivity gains Trade deficits and competition from low-cost countries (Asia, Mexico)

Who contributed:

* US corporations/multinationals seeking lower costs * US government policies (trade agreements, PNTR with China) * Economic forces (globalization, container shipping, currency issues)

It seems to me that big money, greed, and self-intrest, are ultimately to blame for any lack of employment in the US, for natives and foreign workers. Blaming the one politician that is trying to restore this country's economic power and ability to support its citizens is short-sighted, childish and really messed up because for the longest times, foreign tech workers have been the preferred go to employee for most of not all of the company's responsible for this mess.

deflator•1mo ago
A politician that says he wants to restore the country's economic power but has only harmed it further with his actions is worse than one who isn't even pretending to be on the side of the non-rich. President Trump is the product of the greed, big money, and self interest that enabled all of these policy and wealth shifts. This seems to be obvious to everyone except right-leaning people in the US.
SilentM68•1mo ago
Interesting that you blame Trump for this especially since facts speak for themselves.

US manufacturing employment peaked in June 1979 under "President Jimmy Carter (D)."

Key World leaders during major events:

1979 peak → *US: Jimmy Carter. *China: Deng Xiaoping (paramount leader).

China's WTO entry (2001) + PNTR (2000) → *US: Bill Clinton (D) signed PNTR into law (October 2000). *China: Jiang Zemin (CCP General Secretary).

Decline accelerated post-2000 due to globalization, offshoring by US corporations, and policies under multiple administrations (Reagan, Bush Sr., Clinton, Bush Jr.).

Job losses stem from corporate cost-cutting and systemic economic forces, not one politician. If you're going to blame a politician, then at least list the ones that contributed to the chaos not the ones you don't like because it's affecting you personally.

On a side note, I am one of those natives that has not been able to find a stable job, for the past 30+ years until Trump came in, but then lost it after Job Biden arrived. This is how life has been here in the US, at least for me, after graduating high school. I for one, I'm glad someone is doing something about this mess :)

physicsguy•1mo ago
I work for a US based company from the UK. I'd be quite reluctant mostly for the hassle factor - international travel is a pain, now I have a family I don't want anything other than a super easy trip when travelling for work, I don't usually have to travel, so if it's going to be a nightmare I'd rather not go. I've heard of colleagues having to take burner phones to China and stuff in the past and noped out of that, and it feels like it's not far off that for the US these days, so while I quite like the US in general it does put me off enormously.

On another note, we're having our next international team get together in Canada rather than SF. Make of that what you will.

onebigtime•1mo ago
The amount of unnecessary travel these large corporations do is insane. All of it subsidized by taxpayers as well just to pollute and destroy the environment for imaginary profits that inflate away within 5 years.
physicsguy•1mo ago
It's more that half my team is 9 hour time difference from me. When we meet up we can get a lot of discussions done without anyone having to work insane hours.
QuiEgo•1mo ago
Well folks, there you have it, @onebigtime is the ultimate decider on what "unnecessary travel" is :).

On a serious note, being able to go face to face is sometimes a huge win, and can really help hammer through sticky problems, to the point where companies that are downright cheapskates on expenses still see enough value to justify paying for travel. I promise you, if it was really unnecessary, they wouldn't spend a dime they didn't need to.

nightshift1•1mo ago
Browsing r/illinois and r/EyesOnIce for a few minutes will cure anyone from ever wanting to step foot in the US.
esalman•1mo ago
I'm really interested to see what happens during the world cup. Won't be surprised if somehow it may end up even bigger of a scandal than Qatar'22. Even if we set immigration and politics aside, heat it going to be an even bigger issue than everyone is anticipating.
cmxch•1mo ago
Those also provide a nice and easy intelligence collection resource for those refining enforcement and identifying potential obstacles.
tim-tday•1mo ago
Typo in headline. I think the word you’re looking for is “everyone”.
PaulKeeble•1mo ago
I would rather quit a job than risk life for a trip to the USA. I have simply put it on the list of unwise places to travel, places like Iran or North Korea. I have no idea when this might change but countries taken over by high amounts of authoritarianism usually emerge from it fairly randomly and usually not at all.
orloffm•1mo ago
I've travelled to the US (Boston, and later drove to Washington) in September. Even me being Russian, why would I worry? I have a visa (which I've waited for more than a year), I visit colleagues in the company and have a place to stay. What's going to happen to me? The worst that can happen is some talk at the border, but there wasn't any.