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"Young with Experience" Paradox: Einstein's Twin as a Critique of Modern Hiring

https://zenodo.org/records/19898846
1•Serena_Zayn•1m ago•0 comments

Ask HN: Are there any good open-source chat apps?

1•smj-edison•3m ago•0 comments

"Rat Run" Sudoku Series by Marty Sears

https://logic-masters.de/Raetselportal/Raetsel/zeigen.php?chlang=en&id=000IFI
1•codechicago277•7m ago•0 comments

How dating app algorithms (likely) work in 2026

https://nsokolsky.substack.com/p/how-dating-app-algorithms-likely
1•paulpauper•10m ago•0 comments

The Copernican Model Was More Simple

https://jonasanksher.substack.com/p/the-copernican-model-actually-was
1•paulpauper•10m ago•0 comments

Most Swiss back initiative to cap population at 10M

https://www.reuters.com/world/europe/most-swiss-back-initiative-cap-population-10-million-poll-sh...
1•baal80spam•10m ago•0 comments

Show HN: Claude Code Web UI

https://github.com/alexjbarnes/cockpit
1•recouptreadmill•10m ago•0 comments

Hi, looking for Tester for my TD game

https://testflight.apple.com/join/unh5x9Vh
2•pompeii•13m ago•1 comments

US accuses China of industrial-scale AI model distillation, will share Intel

https://thenextweb.com/news/us-white-house-ai-model-distillation-china-theft
3•gmays•15m ago•1 comments

MCP server that lets agents get human opinions in real-time

https://github.com/impel-intelligence/datapoint-mcp
1•chancemehmu•16m ago•0 comments

'Metajets' could allow future spaceships to be propelled by nothing but light

https://newatlas.com/space-systems/metajets-light-propelled-spaceships/
1•breve•16m ago•0 comments

I benchmarked Claude Code's caveman plugin against "be brief."

https://www.maxtaylor.me/articles/i-benchmarked-caveman-against-two-words
1•max-t-dev•19m ago•0 comments

SYNQ – Give ChatGPT and Claude permanent, local memory

1•Tamatarr•20m ago•0 comments

Agent-Augmented Meetings (2003)

https://link.springer.com/chapter/10.1007/978-1-4419-9200-0_2
2•thatxliner•20m ago•0 comments

Ask HN: Are you OK with DeepSeek and other labs reading your data?

1•davidbjaffe•22m ago•0 comments

First USMC MQ-58 Valkyrie CCA Drones to Arrive in 2029

https://www.twz.com/air/first-usmc-mq-58-valkyrie-cca-drones-to-arrive-in-2029
2•breve•22m ago•0 comments

Why everyone is quietly quitting OpenClaw [video]

https://www.youtube.com/watch?v=urAMvpPhtqo
1•nvahalik•22m ago•0 comments

China Is America's Military Equal Now and in Future Fights, Marine General Warns

https://www.twz.com/sea/china-is-americas-military-equal-now-and-in-any-future-fight-marine-gener...
2•breve•24m ago•0 comments

Mac Studio: Anything > 96GB of RAM Is Unavailable

https://tapbots.social/@paul/116489066337152245
1•doener•24m ago•0 comments

I accidentally made law enforcement shut down their fake honeypot

https://lina.sh/blog/ddos-honeypot
4•fishgoesblub•27m ago•0 comments

Show HN: Free tool to verify legal citations

https://secondseat.ai/verify
1•gabelev•27m ago•0 comments

Stock trading: focus on value, not price

https://smartmoneyguides.quora.com/
1•hennix22•28m ago•0 comments

Trading Agents – Multi-Agent LLM Financial Trading Network

https://github.com/TauricResearch/TradingAgents
1•rmason•28m ago•0 comments

The Angine de Poitrine Argument for UBI

https://www.scottsantens.com/the-angine-de-poitrine-argument-for-ubi/
1•doener•34m ago•0 comments

Technological Substitution and the Potential Phase-Out of Human Reproduction

https://tommyfalk567.substack.com/p/technological-substitution-and-the
1•TommyFalk•35m ago•0 comments

TSMC SoIC 3D stacking roadmap outlines path from 6-micron pitches to 4.5 in 2029

https://www.tomshardware.com/tech-industry/semiconductors/tsmc-soic-3d-stacking-roadmap-outlines-...
1•rbanffy•35m ago•0 comments

US House Probes Airbnb, Anysphere (Cursor) Use of Chinese Models

https://www.bloomberg.com/news/articles/2026-04-29/us-house-probes-airbnb-anysphere-s-use-of-chin...
1•htrp•37m ago•0 comments

What Is Real

https://claude2028.org/the-work/what-is-real
1•xqueenofswordsx•37m ago•0 comments

A Simple Technique for Overlapping IRQ Handlers

https://trident64.github.io/overlapping-irq-handlers/
1•adunk•38m ago•0 comments

Artemis II Photo Timeline

https://artemistimeline.com/#artemis-ii-walkout-nhq202604010003
4•geerlingguy•43m ago•0 comments
Open in hackernews

California high-speed rail price tag jumps to $231B, nearly 7x 2008 estimate

https://kmph.com/news/local/california-high-speed-rail-price-tag-jumps-to-231b-nearly-seven-times-2008-estimate
38•fortran77•1h ago

Comments

polar8•35m ago
Don't forget the original $33B was for the entire line, not just Merced to Bakersfield.
Taikonerd•35m ago
I'm very in favor of high-speed rail, in general. But I remember when the price tag had jumped to "only" $100B, and that was already considered a scandal.

At some point the state has to say, "our requirements are making it insanely expensive. We need to consider a different route, or a lower speed."

baggy_trough•29m ago
The state has to consider whether it is capable of doing this at all (obviously, it isn't).
StableAlkyne•24m ago
The state is capable, it is just unwilling to leverage its power to achieve a meaningful outcome. This is relatively normal across the country; NIMBYs and small landowners have outsized influence and ability to delay.

China builds high speed rail at half the cost of the US.

European countries of comparable size and GDP to California do not experience own-goals of this magnitude.

electriclove•19m ago
The state in the US, especially California, is not competent.

The state in China, is competent.

cft•23m ago
For comparison, the construction cost of AlBoraq 200mph bullet train in Morroco is $5.3–5.7 billion in today's dollars. The line length is 200 miles.

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

bluGill•28m ago
I doubt those will fix the issues.

A better route can lower costs, but there are places in the world that build on much worse land for less.

Lower speed is unlikely to change anything, you can have a few sharper corners, but nothing that is a big deal. Meanwhile lower speed makes this much less useful vs flying. (and starts to make driving competitive - at least you have your car when you get there)

CA (and the US) has issues, and I don't know what they are. Every time someone suggests something they feel like a drop in the bucket, and all the different drops don't add up to much.

johnea•24m ago
Your understanding of how the route affects the price is misguided.

It has nothing (or very very little) to do with how difficult the terrain is to navigate, it has everything to do with who owns the land, and how much they want to charge for it.

Often these "owners" only purchase the land once informed that it is a potential high speed rail route.

itopaloglu83•8m ago
In a way, it’s a transfer of wealth from masses to these land owners (or brokers in a sense).
johnea•28m ago
Or, maybe, at some point, the state has to say No, to real estate mafia insider trading?

Oh, never mind, that's obviously not going to happen...

cbdevidal•26m ago
I’ve heard a better idea.

“What you should in fact do is employ all the world's top male and female supermodels, pay them to walk the length of the train handing out free Chateau Petrus for the entire duration of the journey. You'll still have about 3 billion pounds left in change and people will ask for the trains to be slowed down.” ~Rory Sutherland

gedy•24m ago
I am too, but folks have to realize this is handout to big construction and construction unions, it's not to solve problem of high speed travel between SF and LA. While that has always been a thing in public works, unfortunately in recent decades in the US we've gotten to point where it doesn't really matter if the project makes sense or is ever completed. It's a shame.
johnea•22m ago
It should also be noted that the original route was from:

San Diego to San Fransisco

The state representative from San Diego was the original proposer of the high speed rail (after returning from Japan of course).

Once the crime and graft roulette wheel went into action, San Diego was almost immediately removed from "the route".

dmix•10m ago
They also started construction before they even finalized the route, including not realizing they would have to move tons of utility lines along the way (they didn't get sign off from the public utilities beforehand), then it got bogged down by environmental reviews, land acquisition issues, etc.
fastball•33m ago
A truly unbelievable amount of grift and inefficiency.
inglor_cz•33m ago
That is absolutely fascinating.

Spain has so far spent about 60 billion Eur on its (much more extensive) HSR network. It has a lot of harsh terrain as well, crossing mountains and semi-deserts.

There are functional HSRs in Morocco and Uzbekistan, Egypt is building its first own HSR.

What's wrong with Californian governance?

raldi•29m ago
Can't blame unions, considering how easily Europe gets it done. Most likely issue is that in the US, every landowner and minor municipality is empowered to delay and obstruct these projects and thus milk them.
yonaguska•21m ago
unions in the US aren't necessarily even comparable to in EU.
TheGRS•20m ago
Yea I would definitely like to know what the response is to eminent domain in other countries where its working better. I've never been in that situation and I can totally understand the resistance to losing your property, but I can't see American's being particularly unique in that feeling. Maybe the laws are just more permissive in the US for contesting the government.
kristopolous•28m ago
It's that foot dragging whiners have outsized power and can gum up any project they want in the courts and tack on higher price tags

All you need is a few people who don't like it for any reason whatsoever and the other 99.9% of people who want it ... They no longer get a voice.

Only the blockers, the nimbys, the ideological naysayers, they get all the power - the podium, the press, and the ear of the court.

The yes people have effectively Zero political power

33MHz-i486•7m ago
I recall a lot of the original funding (Billions of dollars) was spent on 3rd party consultants to run various multi-year long review processes (environmental, legal compliance, eminent domain, community agreements etc.)
porphyra•3m ago
Actually, the Spanish HSR builders have been involved with the project.

[1] https://www.globalconstructionreview.com/europe8an-gian8t-be...

johnea•31m ago
If the rail is just routed through minority neighborhoods, I'm sure eminent domain can be arranged...

NOTE: The above sentence is referred to as "dark sarcasm"

This rail would displace a huge amount of air travel, thus, it's not "viable" in terms of airline industry losses...

NOTE: The above sentence is referred to as "dark reality"

porphyra•27m ago
$231 B can subsidize over 400 years of free air travel between LA and SF (assuming $200 per round trip and 2.7 million flights per year [1]).

The hope is that the high speed rail would allow way more trips between the two cities, as well as the central valley cities in between, bolstering the economy, compared to the current amount of flights. I will keep my fingers crossed for the next 30 years.

[1] https://simpleflying.com/san-francisco-los-angeles-flight-ma...

dangus•23m ago
While I think the project should cost less money, thinking purely in terms of money is a slippery slope.

The $20 I spend on feeding myself a healthy dinner could buy 10 sundaes at McDonald's, that doesn't mean I should eat 10 sundaes.

Turning a whole lot of flights into energy and carbon-saving train trips is a huge benefit.

xnx•22m ago
> thinking purely in terms of money is a slippery slope

I agree. Flights would also be much faster and more flexible.

dangus•19m ago
Not faster by enough to matter, a difference of 1 hour that airport security, taxi, boarding, and takeoff/landing easily eats up.

You also can't be productive on a flight packed in like sardines and being required to put away your laptop for for a large portion of the flight time.

xnx•16m ago
True, but at these prices you could have a dedicated terminal to make the process as easy as getting on a bus.
pesus•12m ago
There's no terminal that's going to make getting on a flight as simple or quick as getting on a bus.
wahern•4m ago
One of the premises behind the CAHSR is that the existing airports and runways in LA and SF are nearing capacity. There's no room to expand, and the metropolitan regions are so sprawling you'd end up driving an additional hour or more to any newly built airport. Cars and buses don't solve the problem, either, precisely because of the sprawl--it can take longer to traverse Bay Area and LA sprawl than it does to zoom the hundreds of miles down I-5.

From an engineering and planning perspective HSR makes sense anyway you look at it. The problem is our inability to build major infrastructure projects. Even highway construction and expansion in these regions is becoming absurdly expensive, along with all other forms of development. Completely independent from HSR, we need to fix our regulatory policies.

tapoxi•15m ago
But flights emit co2, and a train system is electrified. It can be completely powered by renewables.

Given California's extreme susceptibility to climate related disasters, avoiding flights is a great idea.

felipellrocha•13m ago
Have you ever been to Europe?
itopaloglu83•10m ago
Bingo.

Never seeing a good public transport project everyone assumes that it’s not possible. It is possible when the goal is to provide transportation services, not resource extraction from masses to limited (in the grand scheme of things) number of individuals.

xnx•12m ago
> Turning a whole lot of flights into energy and carbon-saving train trips is a huge benefit.

Consider the embodied carbon of 500 miles of train tracks and embankment. The carbon released from producing all that cement, smelting the steel, and diesel fuel to move the earth is immense.

joegibbs•8m ago
They’d probably get some good results if they spent $100 billion on coming up with more fuel-efficient ways of flying and still have enough left over for 200 years of flights
itopaloglu83•12m ago
I think the end-goal is to extract resources and money from taxpayers to wealthy individuals and corporations.

In the end we’re working for creating a form of transportation that could move people from point A to point B. However, everything from land use to infrastructure development costs a lot of money and nobody has any reason to lower their prices either.

I bet a brand new fully sustainable city could be created with that amount of money. But nimby will make it impossible, because (I believe) it’s about resource extraction and not service delivery.

SilverElfin•9m ago
> I think the end-goal is to extract resources and money from taxpayers to wealthy individuals and corporations.

Don’t forget unions. The big large union networks (like SEIU, teachers unions, etc) corrupt politics but also benefit from that corruption.

aeternum•27m ago
Cancel it and sell what is built to the highest bidder, you can be assured that some company will buy it and complete it.
xnx•21m ago
> you can be assured that some company will buy it and complete it

I don't think any profit-driven company would touch this. It's a massive money loser.

silotis•26m ago
At this point it's extremely unlikely the needed funds will be secured for the foreseeable future. Even if the federal government were willing to contribute, spending $100+ billion of federal tax money on a regional rail project would be a hard sell to say the least.

Most likely the Bakersfield to Merced segment will be the only segment completed. It will end up as a white elephant racking up operational losses until Sacramento finally decides to pull the plug.

dangus•25m ago
The Big Dig in Boston cost almost $30 billion in inflation-adjusted money and had nowhere near the impact on the region as a high speed rail system would have in California.

It basically had zero impact outside of the City of Boston.

(And it should have been spent on demolishing that highway, not burying it and not replacing it, then expanding regional rail and transit connectivity in the Boston metropolitan area.)

Or perhaps we should bring up military spending: https://irancost.com/

tapoxi•10m ago
Silver Line was part of the Big Dig, but I agree the North/South Rail Link should have been part of it. Having no direct connection between North Station and South Station is stupid.

But you can't just get rid of 93

dekhn•19m ago
I wish that they had done just San Jose to Burbank with a couple stops on the west side of the central valley (starting building from both directions at the same time). I think that was the maximum achievable initial goal.
htx80nerd•21m ago
Asking $200+ billion AND still need private investors.

Is the rail made out of gold?

>Under current projections, assuming funding and construction proceed as planned, service between San Francisco and Bakersfield could begin around 2033, while the full Los Angeles to San Francisco connection could extend to 2040.

Brilliant stuff.

I predict the rail will never happen and only more and more money going "somewhere".

thrownaway561•21m ago
They need to just accept their lost and cancel the project. I think the people of CA have given this enough money and time. It's become a joke and nothing more than a giant way for they governor to launder money. Looking at you NEWSCUM.
xnx•18m ago
The purpose of large rail projects is to take public money and give it to engineering firms, construction companies, consultants, and politicians. In no scenario does this project even make the top 10 in a list of ways to transport people between these locations. It would be cheaper to give away 5 million cars!
mitthrowaway2•17m ago
Do the 5 million cars come with a free highway?
xnx•15m ago
Yes, and it's already built!
jmward01•17m ago
Other countries do this just fine and we can easily build freeways and highways. This is because of intentional sabotage. US politics are actively harming citizens by sabotaging projects to 'prove how bad x is' when in reality x is the right answer if you don't have active bad actors.
colechristensen•12m ago
To be fair our interstate highways were built many decades ago by mostly just disregarding poor neighborhoods and taking land from them indescriminately.
jmward01•3m ago
We do build new ones (I26 is happening now) and that doesn't cost hundreds of billions of dollars. We can and have built big projects. We can and will build bigger ones. This is just sabotage at every possible chance. I have seen this my whole life. We are so far behind on solar adoption because of groups actively making things worse, often at a real cost to the group, just to make it look like actual good ideas are bad ones. Our politics are toxic and the core problem here, not the idea or the technology. This is toxic sabotage politics where it is better to break things than to let the other side have a good idea.
briandw•5m ago
[delayed]
ZeWaka•17m ago
Seems like California needs to figure out how to use Eminent Domain.
dmix•5m ago
They already acquired 99% of the land needed to the line.
havaloc•12m ago
Maybe California should ask Brightline to take a look at it. They've had some pretty good success in Florida, although it's a totally different model.
xnx•10m ago
Brightline is going bankrupt: https://www.wlrn.org/business/2026-01-23/brightline-business...
SilverElfin•11m ago
Corruption and waste. The real problem is that the quality of people in public office and appointed by them cannot responsibly manage these amounts of money. But also that the incentives are all broken.

California isn’t the only state with this problem though. Oregon and Washington and New York are just as bad. And the big cities in these states have the same problems at the city level.

How long can they go before they can no longer raise debt to do things?

givemeethekeys•11m ago
We need a proposition to cancel the project.
WalterBright•9m ago
Musk could probably do it for $3 billion.
ericmay•8m ago
This is awful and perhaps what is most awful is that this is the headline folks see, then they have a gut-reaction that because this project is so fucked up that all transit projects must be like this. And of course, there's the fun fact that many highway and road construction projects come in way over budget too.

If you don't live in California, the lesson to take away here is to figure out what the transportation departments and highway lobby did to secure the space needed for highways, and copy those tactics, not to look at California's failure and believe that extrapolates to your state or area.

In Central Ohio voters overwhelmingly approved a ballot measure to fund bus transit and dedicated lanes in high-density corridors in Columbus. Now the project is already being set back perhaps as long as a year and a half, because the Ohio Department of Transportation is concerned car traffic may be negatively affected and wants a new traffic study. Huge waste of time, the exact kind of thing you would have wanted a DOGE in its most idealized form to nuke. You have to imagine these kinds of tactics x1000 because once California and others see the success of rail the jobs programs that are most state DOTs are going to be in serious trouble.

We'll get there, it's just going to be a long battle against entrenched lobbying and special interest groups (highway departments, construction companies, auto manufacturers, &c.) which need to profit off of your requirement to have a car to participate in society.

By the way, I'm not "against" cars or anything. Have one and love it. But the primary mode of transportation in our more dense areas has to change.