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A jet bent by a stellar wind in the black hole X-ray binary Cygnus X-1

https://www.nature.com/articles/s41550-026-02828-3
1•modinfo•58s ago•0 comments

Back When Smoking Was Rewarded

https://creativepro.com/scanning-around-gene-back-when-smoking-was-rewarded/
1•austinallegro•2m ago•0 comments

CachyOS Is Now the Most Popular Desktop Distro on ProtonDB

https://boilingsteam.com/cachy-os-is-now-the-most-popular-distro-on-proton-db/
2•clircle•2m ago•0 comments

Extinct Cousin Loved Eating Grass [video]

https://www.youtube.com/watch?v=QD7E-gf74w0
1•gmays•3m ago•0 comments

Age verification is a mess but we're doing it anyway

https://www.theverge.com/policy/913038/age-verification-flaws
1•speckx•3m ago•0 comments

We Disagree on a Lot. But We Know This Law Must Change

https://www.nytimes.com/2026/04/17/opinion/section-702-surveillance-safe-act.html
1•Cider9986•3m ago•0 comments

American farmers bet on solar. Then Trump changed the rules

https://grist.org/food-and-agriculture/american-farmers-bet-on-solar-then-trump-changed-the-rules/
1•speckx•3m ago•0 comments

EuroLLVM 2026 Round Table Summary: MLIR Canonicalization

https://discourse.llvm.org/t/eurollvm-2026-round-table-summary-mlir-canonicalization/90588
1•matt_d•4m ago•0 comments

The American consumer market is larger than the EU and China's combined

https://en.wikipedia.org/wiki/List_of_largest_consumer_markets
3•jjmarr•8m ago•0 comments

xAI has Released Grok 4.3 (beta)

https://twitter.com/techdevnotes/status/2045072883206991973
3•sergiotapia•8m ago•0 comments

Robots learn: A brief, contemporary history

https://www.technologyreview.com/2026/04/17/1135416/how-robots-learn-brief-contemporary-history/
1•Brajeshwar•8m ago•0 comments

MoqBoy: Anarchy Gameboy Player

https://moq.dev/blog/moq-boy/
1•kixelated•8m ago•0 comments

Gen Z is 10 times more accepting of violence against speakers than Boomers

https://expression.fire.org/p/gen-z-is-10-times-more-accepting
2•delichon•9m ago•0 comments

Our Longing for Inconvenience

https://www.newyorker.com/culture/essay/our-longing-for-inconvenience
2•giraffe_lady•10m ago•0 comments

Show HN: Waputer – The WebAssembly Computer

https://waputer.app
1•marcandrysco•11m ago•0 comments

Show HN: Bookmark Tool in Common Lisp

https://github.com/ediw8311xht/cl-bookmark-tool
1•landdate•12m ago•0 comments

The Puppetmaster reveals his form

https://asimpleman333.github.io/Aurora2/
1•rogmash•13m ago•0 comments

Manage agent skills with GitHub CLI

https://github.blog/changelog/2026-04-16-manage-agent-skills-with-github-cli/
1•dangoor•15m ago•0 comments

Playdate won't have games using AI-generated assets

https://www.gamedeveloper.com/production/panic-won-t-release-playdate-titles-that-use-some-forms-...
2•glimshe•16m ago•0 comments

Controversial FISA program extended by House but only until April 30

https://www.cbsnews.com/news/controversial-surveillance-program-extended-by-house-but-only-until-...
2•anigbrowl•17m ago•1 comments

Skill Doc Generator: Turn Any Docs URL into Claude Skills

https://github.com/DemboNauta/skill-doc-generator
1•edgar_dev•17m ago•0 comments

Twenty Moves Suffice for Rubik's Cube

https://www.gathering4gardner.org/com-2024-01-21/
2•jhncls•17m ago•1 comments

Parsebench open leaderboard for PDF parsing

https://huggingface.co/datasets/llamaindex/ParseBench
1•pierre•18m ago•0 comments

The only fonts I use

https://rgo.pt/posts/fonts-i-use
3•kraktoos•18m ago•0 comments

Show HN: EX LIBRIS – a library-crawling RPG made with a 2000s engine

http://www.inpatientpress.net/inpatient-interactive/2026/4/16/ex-libris
1•idempotent_•18m ago•0 comments

Show HN: Codemaxxed – 350M+ LOC and a GitHub cease and desist

https://github.com/jshchnz/codemaxxed
1•jshchnz•20m ago•0 comments

I Tried the LLM Wiki and RAG on Todays News from BBC, CNN, Euronews

https://99helpers.com/wiki/latest-daily-news/israel-lebanon-ceasefire
3•nickk81•20m ago•0 comments

The Electronic Technical Reference Manual

http://www.techhelpmanual.com/2-main_menu.html
1•elvis70•20m ago•0 comments

OVH is increasing hosting prices Up to 4×

https://old.reddit.com/r/sysadmin/comments/1rayqsw/ovh_raises_prices_my_new_offer_is_551_higher/
2•onebitwise•24m ago•1 comments

Why AI Needs a Sense of Smell

https://www.noemamag.com/why-ai-needs-a-sense-of-smell/
1•Brajeshwar•25m ago•0 comments
Open in hackernews

Hyperscalers have already outspent most famous US megaprojects

https://twitter.com/finmoorhouse/status/2044933442236776794
38•nowflux•1h ago

Comments

metalman•1h ago
we, the people, are the ultimate mega project, and it's showing
timmg•1h ago
This tweet shows it as a percentage of US GDP:

https://x.com/paulg/status/2045120274551423142

Makes it a little less dramatic. But also shows what a big **'n deal the railroads were!

chromacity•48m ago
But doesn't that overstate it in the other direction? Talking about investments in proportion to GDP back when any estimate of GDP probably wasn't a good measure of total economic output?

We're talking about the period before modern finance, before income taxes, back when most labor was agricultural... Did the average person shoulder the cost of railroads more than the average taxpayer today is shouldering the cost of F-35? (That's another line in Paul's post.)

bombcar•44m ago
That's the problem with going too far using "money" or "GDP" - you can roughly compare the WWII 45% of GDP spent with today - https://www.davemanuel.com/us-defense-spending-history-milit... because even by WWII much was "financialized" in such a way that it appears on GDP (though things like victory gardens, barter, etc would explicitly NOT be included without effort - maybe they do this?).

As you get further and further into the past you have to start trying to measure it using human labor equivalents or similar. For example, what was the cost of a Great Pyramid? How does the cost change if you consider the theory that it was somewhat of a "make work" project to keep a mainly agricultural society employed during the "down months" and prevent starvation via centrally managed granaries?

helterskelter•11m ago
You don't even need to go that far back to run into issues, when I read Pride and Prejudice, I think Mr. Darcy was one of the richest people in England at around £10,000/year, but if you to calculate his wealth in today's terms it wasn't some outrageous sum (Wikipedia is telling me ~£800,000/year). The thing is that the economy was totally different back then -- labor cost practically nothing, but goods like furniture for instance were really expensive and would be handed down for generations.

With £800K today, you may not even be able to afford the annual maintenance for his mansion and grounds. I knew somebody with a biggish yard in a small town and the garden was ~$40K/yr to maintain. Definitely not a Darcy estate either.

Thinking about it, an income of £800K is something like the interest on £10m.

chaos_emergent•43m ago
I posted just that on the Twitter feed but then I realized that railroad started at the beginning of an industrial revolution where labor was a far larger portion of GDP compared to industrial production. So it kind of makes sense that the first enabling technology consumed far more GDP than current investments do, even on a marginal basis.
j-bos•18m ago
As sibling comments mentioned deceptive comparison as well. How about comparing in percentage of Gross Energy Output. https://www.sciencedirect.com/science/article/abs/pii/S09218...
dghlsakjg•3m ago
The railroads and the interstate are arguably the biggest and broadest impact, especially in 2nd order effects (everything West of the Mississippi would be vastly different economically without them).

I am not an ai-booster, but I would not be surprised at AI having a similar enabling effect over the long term. My caveat being that I am not sure the massive data center race going on right now will be what makes it happen.

therein•45m ago
I really dislike the term hyperscaler. Comes off very insincere. They came up with it themselves, didn't they? What's the official definition supposed to be now? Companies that are setting up as many GPU/TPU server clusters as possible for a demand that's yet to exist?
bombcar•43m ago
It always makes me think of a hyperactive toddler running around in circles, which oddly fits most thought leaders who use the term.
lenerdenator•18m ago
That's not fair to the toddlers; their crap tends to be safely contained in a diaper as opposed to their heads.
cidd•41m ago
Nobody really uses the term in the Valley except probably C-level people talking to Wall street investors.
coffeefirst•27m ago
I have concluded the entire public discourse surrounding AI has no relationship to real stuff that you can go, test, and point at.

There’s a loop of everyone is saying stuff because everyone else is saying stuff that turns into a sort of reality inspired fan fiction.

It’s not just that it’s wrong or imprecise, that I expect, it’s that the folklore takes on a life of its own.

lukeschlather•40m ago
This seems like a total category error. The Railroads are the only example that actually seems comparable, in being an infrastructure build out that's mostly done by a variety of private companies. Examples of things that would be worth comparing to the datacenter boom are factory construction and utilities (electrification in the first half of the 20th century, running water, gas pipes.)
stefan_•36m ago
"Infrastructure build out"? Everything put into these datacenters is worthless well before 10 years have gone by.

We aren't even getting infrastructure out of it, they are just powering it with gas turbines..

jeffbee•32m ago
This isn't true and you can easily prove it to yourself by renting a Sandy Bridge CPU or a TPUv2 from Google today.
jeffbee•30m ago
The other categorical error is that the American people paid the railroads a monumental subsidy to get the job done. We gave them almost 10% of the territory.
lenerdenator•19m ago
Given the size of some of these data centers, the incentives packages that local governments often give their developers, and the impact on the electric grid that can, in some cases, raise costs for other ratepayers, I'd say the comparison could be similar.

The one Google's putting in KC North is 500 acres [0] and there were $10 billion in taxable revenue bonds put up by the Port Authority to help with the cost.

This for a company that could pay for that in cash right now.

[0] https://fox4kc.com/news/google-confirms-its-behind-new-data-...

jeffbee•1m ago
That's the opposite of a subsidy. KC stakes nothing of value and gets a defined revenue for the next 25 years.
therobots927•25m ago
The problem is that once built, railroads provided economic value right off the bat.

I would love to hear about the economic value being generated by these LLMs. I think a couple years is enough time for us to start putting some actual numbers to the value provided.

lukeschlather•9m ago
Equating this buildout with LLMs is also a category error. Waymo (self-driving cars) depends on the same infrastructure, and there are a variety of other robotics programs which are actually functioning, you can see them in operation. They all require a lot of GPUs to train and run the models which operate the robotics.
0xbadcafebee•11m ago
Fwiw, Railroads were the reason for some of the biggest bank collapses in history. Panic of 1873 was literally called "The Great Depression" (until a greater depression hit). 20 years later was the Panic of 1893. Both were due to over-investment and a bubble bursting, and they took out tons of banks and businesses.

We seeing exactly the same thing with AI, as there is massive investment creating a bubble without a payoff. We know that the value will lower over time due to how software and hardware both gets more efficient and cheaper. And so far there's no evidence that all this investment has generated more profit for the users of AI. It's just a matter of time until people realize and the bubble bursts.

And when the bubble does burst, the problem is, what's going to happen? Most of the investment is from private capital, not banks. We don't know where all that private capital is coming from, so we don't know what the externalities will be when it bursts. (As just one possibility: if it takes out the balance sheets of hyperscalers and tech unicorns, and they collapse, who's standing on top of them that collapses next? About half the S&P 500, but also every business built on top of those mega-corps)

kerblang•15m ago
Adjusted for inflation?

edit - sorry, it is in fact adjusted, text is kinda hard to see

anigbrowl•10m ago
It literally says 'Inflation-adjusted costs' on the right side of the graph, right under the main title, FFS.
SpicyLemonZest•13m ago
Gentle reminder that the cost of producing well-formatted graphs is much, much lower than it used to be. We grew up in a world where the mere existence of this graph would prove that someone put a great deal of effort into making it, and now it does not. I have no specific reason to doubt the information, but if you want to have reliable epistemic practices, you can no longer treat random graphs you find on social media as presumptively true.
pier25•10m ago
https://xcancel.com/finmoorhouse/status/2044933442236776794