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Pre-2022 Books

https://notes.lorenzogravina.com/musings/pre-2022-books
114•trms•1h ago•56 comments

Not just books: renting a sewing machine from the library can improve democracy

https://www.bbc.com/future/article/20260618-the-weird-and-wonderful-libraries-of-finland
48•sohkamyung•1h ago•15 comments

Epoll vs. Io_uring in Linux

https://sibexi.co/posts/epoll-vs-io_uring/
25•Sibexico•1h ago•3 comments

SMPTE Makes Its Standards Freely Accessible

https://www.smpte.org/blog/smpte-makes-its-standards-freely-accessible-openingstandards-library-t...
215•zdw•7h ago•58 comments

Show HN: TownSquare, a tiny presence layer for websites

https://townsquare.cauenapier.com/
19•cauenapier•12h ago•7 comments

Alice is impatient

https://brooker.co.za/blog/2026/06/19/waiting.html
40•birdculture•3h ago•7 comments

Slow breathing modulates brain function and risk behavior

https://www.cell.com/neuron/fulltext/S0896-6273(26)00339-9
16•croes•1h ago•0 comments

UHF X11: X11 Built for VisionOS and Apple Vision Pro

https://www.lispm.net/apps/uhf-x11/
151•zdw•7h ago•20 comments

DOS Game "F-15 Strike Eagle II" reversing project needs DOS test pilots

https://neuviemeporte.github.io/f15-se2/2026/06/20/needyou.html
189•LowLevelMahn•9h ago•57 comments

Semiconductor Lifeline Keeps Fighter Jets in the Air

https://spectrum.ieee.org/phoenix-semiconductors-legacychips-oems
22•rbanffy•4d ago•4 comments

CSSQuake

https://cssquake.com/
444•msalsas•13h ago•93 comments

PostgresBench: A Reproducible Benchmark for Postgres Services

https://clickhouse.com/blog/postgresbench
71•saisrirampur•5h ago•19 comments

Inference cost at scale with napkin math

https://injuly.in/blog/napkin-inference-cost/index.html
50•gmays•4d ago•12 comments

Show HN: StartupWiki – A Free Alternative to Crunchbase

https://startupwiki.tech/
142•shpran•8h ago•46 comments

The Wholesale Plagiarism of Obscure Sorrows

https://waxy.org/2026/06/the-wholesale-plagiarism-of-obscure-sorrows/
302•ridesisapis•6h ago•130 comments

Unauthorized alert sent to cell phones across Brazil

https://www.cnn.com/2026/06/20/americas/brazil-hackers-unauthorized-alert-latam
74•zdw•4h ago•47 comments

The rise of South Korea’s weapons business

https://www.politico.com/news/magazine/2026/06/20/south-korea-weapons-dealer-trump-00959559
101•JumpCrisscross•12h ago•35 comments

Loupe – A iOS app that raises awareness about what native apps can see

https://github.com/mysk-research/loupe
17•Cider9986•12h ago•3 comments

Supermarket giant Tesco sues VMware for breach of contract

https://www.theregister.com/software/2025/09/03/supermarket-giant-tesco-sues-vmware-for-breach-of...
71•wglb•3h ago•19 comments

Show HN: Submarius – Global water clarity for divers

https://submarius.com
4•celloer•47m ago•0 comments

Turns Out, There Is a Cabal of Elite Crazies Trying to Control the World

https://www.esquire.com/news-politics/politics/a71619211/peter-thiel-dialog-club-wired-report/
121•throwaway81523•1h ago•50 comments

Bun has an open PR adding shared-memory threads to JavaScriptCore

https://github.com/oven-sh/WebKit/pull/249
108•gr4vityWall•7h ago•188 comments

Temporary Cloudflare accounts for AI agents

https://blog.cloudflare.com/temporary-accounts/
155•farhadhf•12h ago•90 comments

Whole cross-sectional human ultrasound tomography

https://www.nature.com/articles/s41551-026-01660-4
5•lnyan•2d ago•1 comments

Show HN: We post-trained a model that pen tests instead of refusing

https://www.argusred.com/cli
68•dk189•10h ago•29 comments

Show HN: Make PDFs look scanned (CLI or in the browser via WASM)

https://github.com/overflowy/make-look-scanned
72•overflowy•5h ago•40 comments

Show HN: Tiny – An interpeted dynamic langauge with inline Go native functions

https://github.com/confh/Tiny
31•confis•5h ago•5 comments

A Love Story

https://pudding.cool/2026/06/love-story/
43•simonebrunozzi•3h ago•5 comments

Show HN: My Windows XP portfolio with working Game Boy and iPod

https://mitchivin.com/
47•mitchivin•4h ago•23 comments

Why has the pointe shoe been so resistant to change?

https://dancemagazine.com/pointe-shoe-innovation/
45•onemind•22h ago•46 comments
Open in hackernews

Unauthorized alert sent to cell phones across Brazil

https://www.cnn.com/2026/06/20/americas/brazil-hackers-unauthorized-alert-latam
73•zdw•4h ago

Comments

mseepgood•2h ago
Of all the messages they could have sent they chose the most boring.
neko_ranger•2h ago
lets play a game HN, what would be the best alert to send?

mine would be something scifi, like "ALIENS HAVE LANDED" or "PLUTO DECLARES WAR"

michaeljx•2h ago
METEOR STRIKE IN 8 MINUTES
Z0rp•2h ago
DONT BELIEVE THEM
worble•2h ago
Any of the Sims 1 prank phone calls would be amazing
mckirk•2h ago
"THERE IS ABSOLUTELY NO CAUSE FOR ALARM"
peddling-brink•1h ago
“DO NOT LOOK AT THE MOON”
themafia•2h ago
"ALL DEBTS HAVE BEEN ERASED. JUBILEE."
Kyselica•2h ago
“BRAZIL ELIMINATED FROM WORLD CUP”
munchler•53m ago
This would create more chaos than any other suggestion so far. Well done.
tetha•2h ago
The world needs more confusing positivity.

"You are beautiful and wonderful - keep going! (unlike this systems security)"

falcor84•1h ago
Keep on keeping on.
auggierose•2h ago
The truth is out there!
cURLSagan•2h ago
THE DISPLAY IS A LIE
tedk-42•2h ago
ARGENTINA IS BETTER THAN BRAZIL
dgellow•2h ago
WHOSYOURDADDY[0]

0: https://classic.battle.net/war3/cheatcodes.shtml

lysace•2h ago
Most dangerous one:

"This is Army Commander Tomás Miguel Ribeiro Paiva. We have chosen to take command of the country to protect you against serious crimes against the people that we have become aware of. Remain calm and continue with your daily duties."

(Except in Brazilian Portuguese.)

marcosdumay•1h ago
Scary stuff.

I guess so scary that there isn't a single person willing to try it. But yeah, that is the most dangerous one possible.

shagie•1h ago
I got a new job! from seank
harrisoned•1h ago
"PIX will be discontinued today"
paulddraper•1h ago
FOLLOW THE WHITE RABBIT
crtasm•1h ago
Tom has added you as a friend!
stavros•1h ago
"Due to deteriorating economic conditions, we have decided to abolish currency altogether. The Real is now worth nothing. All trade will henceforth be performed exclusively in gold."
loloquwowndueo•1h ago
ALL YOUR BASE ARE BELONG TO US
byte_0•58m ago
Wake up, Neo...
zarflax•48m ago
"Help I'm trapped in a broadcast center"
morkalork•11m ago
This is not a test. This is your emergency broadcast system announcing the commencement of the Annual Purge. Any and all crime, including murder, will be legal for 12 continuous hours.
AlienRobot•2h ago
At least it wasn't a crypto scam.
Scoundreller•2h ago
Not “unauthorized”, but previous cellular alert false alarms:

https://www.ctvnews.ca/toronto/article/mistaken-pickering-on...

https://en.wikipedia.org/wiki/2018_Hawaii_false_missile_aler...

Ok, hackers got blamed for this one: https://www.theguardian.com/us-news/2017/apr/09/dallas-hacke...

throwaway81523•2h ago
There was a Larry Niven story where if you tried to call a certain guy, every phone in South America would ring instead. Anyone remember which story it was? The phone thing was just a throwaway line, not a significant plot point.
shagie•1h ago
Ringworld. https://sciencemeetsfiction.com/2021/06/20/ringworld-theory-...

    “When we call, they are out. When we call back, the phone computer gives us a bad connection. When we ask for any member of the Brandt family, every phone in South America rings.”
p0w3n3d•1h ago
It might have been the Ringworld

"Well?"Nessus began to pace the floor. "Many disqualify themselves by obvious bad luck. Of the rest, none seem to be available. When we call, they are out. When we call back, the phone computer gives us a bad connection. When we ask for any member of the Brandt family, every phone in South America rings. There have been complaints. It is very frustrating."

https://www.naneahoffman.com/the-blog/shelf-care-alien-archi...

jagged-chisel•1h ago
“ When we ask for any member of the Brandt family, every phone in South America rings.”

That sounds like the computer had a bad solution to “find a Brandt.”

The comment with the request to find this reference had me thinking it would be a single phone number misconfigured to call a large population.

p0w3n3d•1h ago
TBH phones in Poland allow to call you "from" an arbitrary number (i.e. display it on your phone). Also send SMS with arbitrary source.

This is being used by scammers who call you and tell they are from police bank etc

lxgr•1h ago
This works in many countries, since the signalling protocols historically assumed a trusted small set of participants, not unlike email – with similar consequences once those assumptions became less and less true.
jolmg•33m ago
It's not unlike regular postal mail either. Wonder how prevalent were such scams with paper mail. A letter with a return address of a bank that asked to call a given number.

> historically assumed a trusted small set of participants

Kind of interesting to think about in the case of paper mail, maybe "historically [...] small" was a village, and the practices of a village where people left each other notes under the door lead to being able to send SMTP messages with an arbitrary "From". Wonder how long it took for pen signatures and institutional stamps to be developed.

Now that I think about it, if I received a letter from my bank, I can't be 100% sure from the paper alone that some random guy didn't make it and leave it in my mail box. There's no established security stamp.

kakacik•1h ago
I've worked a bit on the app which calls major telco provider directly. It was a basic web service call, and sender could be entered as anything. This is basic property of cellular networks, no more safety than say standard email.
jpablo•1h ago
The power to send mass messages to a whole country is the worst thing google/apple have given to governments across the world.
woodruffw•1h ago
This implies that governments didn’t already have this ability, which appears to be largely untrue? To my understanding, many countries already had emergency messaging systems, and mobile integrations are just a way of modernizing them.

(It seems exceedingly good that the government can warn every civilian about natural disasters, etc.)

murderfs•1h ago
These aren't from Google or Apple, they're from the wireless providers: https://en.wikipedia.org/wiki/Cell_Broadcast
knuppar•1h ago
misantropia é um perigo rapaziada
initramfs•1h ago
"The message sent was of the ‘Extreme Alert’ type and contained the word ‘misanthropy’ – which means hatred towards humanity. It is probably a hacker attack,” the agency’s statement said."

As this happens whenever there is an intrusion reported in the press, the word "hacker" is often misused:

"There is another group of people who loudly call themselves hackers, but aren't. These are people (mainly adolescent males) who get a kick out of breaking into computers and phreaking the phone system. Real hackers call these people ‘crackers’ and want nothing to do with them. Real hackers mostly think crackers are lazy, irresponsible, and not very bright, and object that being able to break security doesn't make you a hacker any more than being able to hotwire cars makes you an automotive engineer. Unfortunately, many journalists and writers have been fooled into using the word ‘hacker’ to describe crackers; this irritates real hackers no end.

The basic difference is this: hackers build things, crackers break them."

http://catb.org/~esr/faqs/hacker-howto.html

pluc•59m ago
Cracker News was taken
UqWBcuFx6NV4r•58m ago
I didn’t realise that people still fought this fight. it’s time to drop it, dude. It’s truly blatant language prescriptivism at this point.
initramfs•46m ago
It's not so much a fight as a reminder of the technical words that actually distinguish one type from another. Are hackers considered ethical in the press today? 40 years of movies and press articles hasn't exactly made the idea of "white hat" a known term. https://en.wikipedia.org/wiki/White_hat_(computer_security)

It's kind of like Australia or the UK saying kids are "hacking" their PCs to use VPNS. There can be a very legitimate use of tools, but the portrayal of users bypassing blocks could just as easily be painted in a negative light.

One time someone made a joke or observation, 20 years or so ago, that their Myspace page was "hacked" because someone "posted on their wall". It's obviously not that misused, but just labeled that way when misinformed.

rzz3•56m ago
At this point, it’s just you misusing the word. You WERE correct; it did mean the builders rather than the breakers. But to greater society outside of the tech industry, hacking is hacking, they don’t need a word to describe builders, and crackers sounds dumb and no one outside the tech industry would know what you were talking about. A cracker is a snack and a dated slang word to refer to white people.
gnubison•39m ago
As programmers in programming culture, we have a distinction between hacker and, potentially, cracker that no ordinary person has. ESR’s prescriptivism is pretty much worthless in this respect: words mean what people think they mean and what people use them for, and programmers do not have a monopoly on how people use the term.

OED has the “computer intruder” sense first cited in 1963, and the “enthusiastic programmer” sense first in 1969 (“now much less common than sense 3a”). Cracker first appears in 1968.

Besides, it is easy to disambiguate which meaning people mean. “Hacker attack” can only refer to the common usage of the term, not programming-culture usage.

initramfs•16m ago
Thanks for highlighting the even earlier term from 1963. If that is the case, then why don't journalists use the word "computer intruder" instead of hacker, when it's less a catchall?

The funny thing about these comments is that most of the replies to my comment have been more defensive than my own. I wasn't suggesting a monopoly on the term, and I wasn't suggesting "hacker" shouldn't be ever be used. I just said it's not very accurate, and the average non-technical reader may not know the difference.