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Founder of GitLab battles cancer by founding companies

https://sytse.com/cancer/
1080•bob_theslob646•17h ago•213 comments

The road to electric – in charts and data [UK]

https://www.rac.co.uk/drive/electric-cars/choosing/road-to-electric/
40•zeristor•3h ago•36 comments

Technology: The (nearly) perfect USB cable tester does exist

https://blog.literarily-starved.com/2026/02/technology-the-nearly-perfect-usb-cable-tester-does-e...
70•birdculture•3d ago•23 comments

AI overly affirms users asking for personal advice

https://news.stanford.edu/stories/2026/03/ai-advice-sycophantic-models-research
654•oldfrenchfries•20h ago•502 comments

CSS is DOOMed

https://nielsleenheer.com/articles/2026/css-is-doomed-rendering-doom-in-3d-with-css/
347•msephton•14h ago•80 comments

The Many Roots of Our Suffering: Reflections on Robert Trivers (1943–2026)

https://quillette.com/2026/03/25/the-many-roots-of-our-suffering-reflections-on-robert-trivers-19...
17•Petiver•2d ago•4 comments

Solar is winning the energy race

https://www.dw.com/en/solar-is-winning-the-energy-race/a-76517556
52•doener•1h ago•37 comments

Alzheimer's disease mortality among taxi and ambulance drivers (2024)

https://www.bmj.com/content/387/bmj-2024-082194
131•bookofjoe•9h ago•79 comments

I turned my Kindle into my own personal newspaper

https://manualdousuario.net/en/how-to-kindle-personal-newspaper/
32•rpgbr•1d ago•16 comments

Nonfiction Publishing, Under Threat, Is More Important

https://newrepublic.com/article/207659/non-fiction-publishing-threat-important-ever
13•Hooke•3d ago•1 comments

OpenBSD on Motorola 88000 Processors

http://miod.online.fr/software/openbsd/stories/m88k1.html
100•rbanffy•1d ago•11 comments

A Verilog to Factorio Compiler and Simulator (Working RISC-V CPU)

https://github.com/ben-j-c/verilog2factorio
74•signa11•2d ago•9 comments

Show HN: Public transit systems as data – lines, stations, railcars, and history

https://publictransit.systems
9•qwertykb•3h ago•4 comments

Further human + AI + proof assistant work on Knuth's "Claude Cycles" problem

https://twitter.com/BoWang87/status/2037648937453232504
212•mean_mistreater•16h ago•137 comments

I decompiled the White House's new app

https://thereallo.dev/blog/decompiling-the-white-house-app
525•amarcheschi•19h ago•193 comments

Lat.md: Agent Lattice: a knowledge graph for your codebase, written in Markdown

https://github.com/1st1/lat.md
6•doppp•1h ago•0 comments

The ANSI art "telecomics" of the 1992 election

https://breakintochat.com/blog/2026/03/25/don-lokke-and-mack-the-mouse/
44•Kirkman14•2d ago•1 comments

What if AI doesn't need more RAM but better math?

https://adlrocha.substack.com/p/adlrocha-what-if-ai-doesnt-need-more
32•adlrocha•2h ago•6 comments

I Built an Open-World Engine for the N64 [video]

https://www.youtube.com/watch?v=lXxmIw9axWw
403•msephton•22h ago•67 comments

A laser-based process that enables adhesive-free paper packaging

https://www.fraunhofer.de/en/press/research-news/2026/march-2026/sealing-paper-packaging-without-...
81•gnabgib•11h ago•35 comments

Siclair Microvision (1977)

https://r-type.org/articles/art-452.htm
4•joebig•2d ago•0 comments

Linux is an interpreter

https://astrid.tech/2026/03/28/0/linux-is-an-interpreter/
207•frizlab•17h ago•51 comments

The case for becoming a manager

https://newsletter.thelongcommit.com/p/the-case-for-becoming-a-manager
47•jcmartinezdev•4d ago•38 comments

The Hackers Who Tracked My Sleep Cycle

https://glama.ai/blog/2026-03-26-the-hackers-who-tracked-my-sleep-cycle
10•statements•2d ago•3 comments

The Loneliness of a Room of One's Own

https://newrepublic.com/article/206731/loneliness-room-one-virginia-woolf-hold-up
20•prismatic•3d ago•2 comments

Android’s new sideload settings will carry over to new devices

https://www.androidauthority.com/android-sideload-carry-over-3652845/
92•croemer•14h ago•132 comments

OpenCiv1 – open-source rewrite of Civ1

https://github.com/rajko-horvat/OpenCiv1
149•caminanteblanco•16h ago•42 comments

InpharmD (YC W21) Is Hiring – Senior Ruby on Rails Developer

https://inpharmd.com/jobs/senior-ruby-on-rails-engineer
1•tulasichintha•13h ago

Cat Itecture: Better Cat Window Boxes (2023)

https://gwern.net/catitecture
56•gggscript•1d ago•10 comments

Spanish legislation as a Git repo

https://github.com/EnriqueLop/legalize-es
747•enriquelop•22h ago•222 comments
Open in hackernews

When Do We Become Adults, Really?

https://www.newyorker.com/culture/annals-of-inquiry/when-do-we-become-adults-really
26•benbreen•3d ago

Comments

hmontazeri•1h ago
When we become parents
shinycode•1h ago
I know many people who have children and are not adults. And someone who never have kids will never be adult ?
ReptileMan•47m ago
Yes. When you don't have kids you can always quit the game/rat race one way or another if it gets too much. With kids - it is different. Kids are the only burden you can't easily shrug off in this life.
sethammons•23m ago
I assume you grew up in different circles than me. I have seen countless kids shrugged off growing up poor and around drug addiction. I have heard the rich shrug them off to boarding school sometimes.
shinycode•8m ago
So you’ve never seen parents quit and neglect their kids ? That does not exists ?
ReptileMan•1m ago
I have seen of course. But the point is - if you abandon everything in life right now while childless you are not a failure as human being. It is your right to say fuck it all at any moment. If you abandon your kids you are.
stinos•1h ago
So people without children never become adults? Strange rule.

Also not quite what the article is about.

xxs•1h ago
According to the article that's what 25% of people think.
firtoz•1h ago
I can't access the article so I will respond to only the title.

I use a rough threshold of how much responsibilities they can, or, have to endure, and manage to take care of in a good enough way.

kakacik•1h ago
By far the best response here so far. But since we don't have clear definition and my threshold may be vastly different than yours, its anyone's guess.
firtoz•1h ago
Archive link: https://archive.is/g3Bok
Brajeshwar•1h ago
[Personal View] No, we never. We just learn to act in public.

btw, https://archive.ph/g3Bok

redrove•1h ago
Or you never do and you become president.
vswaroop04•1h ago
When you grow your wisdom teeth
AltruisticGapHN•1h ago
I'm 51 now and I feel like I will never be an adult. Looking around I see a lot of broken people, each in their own peculiar ways. Everyone has some coping mechanisms, triggers, and behaviours rooted in childhood. I don't see it in a bad light, I think it is just humanity.
blueflow•53m ago
Child abuse might be a large driver behind dysfunctionality in adulthood, with disability or early retirement as a consequence. There were some big child neglect cases around the millennium, since them, the topic got more attention from researchers.

It used to be that traumatised kids got slapped with a ADHD, autism and/or borderline diagnosis and it got called a day. These are "that's just how you are" style diagnoses. Since 2018 there is CPTSD which finally connects the symptoms to how you got treated as a child. The denial phase is over.

Lawmakers are a bit behind, as usual, but at this point the scale of the problems can't be denied anymore. Its too late for you and me, but I'm optimistic for future generations.

annie511266728•30m ago
I think a lot of people feel this, they just stop saying it out loud.

At some point I realized “adults” aren’t people who figured things out, they’re just people who got used to not knowing — which is both kind of freeing and a little unsettling.

antuneza•1h ago
You become adult when your parents die
vintermann•1h ago
Not a happy definition, but at least a clear and consistent one.
sethammons•1h ago
I don't think this holds any water. Plenty of orphan children. Also, my parents are alive and I firmly count myself in the adult camp.

Like the article, I think much of what makes you an adult is taking responsibility. For some, the first time that happens may be when their parents die I suppose.

nly•1h ago
Labels like "adult", and "successful" etc are all for other peoples benefit rather than our own. It's all a facade.

I'd probably measure maturity in terms of how one navigates relationships.

When it comes to my partner, being vulnerable, knowing when it's ok to share that I don't feel like an adult, that i'm scared or lack confidence, and when to put on a strong front and say it's all going to be ok, to make her feel safe, is the essence of what I consider to be a "grown ass man".

But we're also planning a trip to the Lego House, Denmark together and we don't have kids. So there's that.

whatgoodisaroad•1h ago
it's a dynamic system where we feel less able to see ourselves as adults each time we gain therapy language to articulate trauma. something is gained with this language, but something is lost too
rf15•1h ago
I don't know, haven't really seen an adult in a long, long time.
sgt•55m ago
Are you marooned on that island in Lord of the Flies?
saidnooneever•1h ago
reminds me a bit of a kine from scroobius pip. something along the lines of 'we're all just bigger kids raising smaller kids'. Some spiritual lines consider humans to be all around 13 or 14 years old, in the mental plane.

I dont think most people are very far apart from around that age anyway. Depending ofc on how one gets raised you might get to that maturity more or less quickly in life.

(it has nothing to do with skills, eloquance or such things. More to do with how well a person can adapt and respond to stimuli of the nervous system (consciousness), and in my further opinion, how well someone can take and understand the perspective of others. (understanding without judgement).

rrgok•1h ago
When there is no more physical development? A couple of years after sexuality has been stabilized physically.

Why is that so clear in other animals but not in humans? Every other social construct is just mental gymnastics. We believe we are special and need to do these gymnastics to keep the importance up.

sethammons•7m ago
This is an interesting question. Neoteny is the preservation of juvenile features into adulthood and is a hallmark of domestication. Humans have been undergoing self-domestication so features like rounder faces and softer jaw lines are persisting past sexual maturity.

We _know_ the human brain is finishing its development in our early to mid twenties, maybe 10 years post puberty. This extra brain development likely needed for our advanced social and tool needs, and is a unique niche for humans. Our hidden brain development does make a difference. Other primates don't display this.

dupaslonia123•1h ago
They say women are old by 30. And men are young till 60
Nevermark•1h ago
No theoretical life stage partitions are correct. Some are useful.

Every five years, my life and context have changed profoundly in ways I could never have predicted.

I feel like I have lived many lifetimes.

I am not sure how I would measure growing up. I could never stay at one level long enough to get effortlessly good at it. My head is too far into the clouds. The stars are so inviting.

So I experience a lot of in-too-deep pressure, trying not to screw things up while working to achieve more than anyone might think is reasonable. With a regular remedial/recovery interval, after I screw things up.

If I do grow up in any way, it is the accumulation of resilience and loss of fear that repeatedly digging myself out of my own craters provides. I have internalized that nothing can stop me. Nothing at all. Not even me, and that is saying a lot.

taneq•1h ago
We become adults when we accept ultimate responsibility for everything.
cyber_kinetist•47m ago
But we know that nobody really does that - it's just too hard and lonely to accept all responsibility solely to ourselves, even as an adult. That's why we learn to rely on each other sometimes, and I don't think that's a childish or irresponsible act!
vintermann•1h ago
Maturity is a value judgment. At best. At worst it's simply a power move. There's no objective way to measure your brain juices and say now you're "fully developed" or whatever.

People eager to define other people as insufficiently adult adults, should be viewed with the same skepticism as people who want to put their political opponents in an asylum.

If you think it's a problem that young adults today play too much video games or whatever, take the ball and not the man. The problem then is in the behavior, not in people's essence. The youth are as bad as every generation complains that they are, no more, no less.

Vedor•58m ago
This is really fine article. I agree with its overall sentiment that it's difficult to draw hard lines.

Answering the question posed in title - I have no idea.

When I was a kid, I thought that person becomes adult in the day of their 18 birthdays.

But being 18 years old, I didn't feel so mature. "Maybe when I finish university", I thought. But nope, it didn't feel like being adult.

Maybe when I have a stable, "real" job? Nope.

Maybe after I leave my parents home? Still not.

Maybe after marriage? It's still not that.

I suppose I still consider being adult with being serious, busy, and in total control of their lives. And I don't feel that yet, probably I will never will.

I feel that this view of adulthood is a bit childish. And most likely I never will feel adult in this specific way. We never are in a total control of our lives.

But - do I feel more mature than in my 20'? Of course I do. I have much more responsibilities. My decisions and my actions are much more deliberate than they used to be.

But I just feel that I still have a long way to go...

axegon_•58m ago
I never liked the idea of dividing life into segments since you can't really quantify or rather classify the circumstances. Libertarians are praising the idea of equal opportunity and reject the idea of equal outcome. I personally reject both conceptually. No one will ever or can ever have an equal opportunity because our opportunities don't necessarily mean they are all good. In practice, an opportunity is often choosing the lesser evil and in many cases that's a decision that will follow you throughout your life and will have life-long side effects. I've had to take difficult decisions and even though I undeniably took the right ones, I understand that some of those completely derailed some aspects of my life and I've accepted it. Some of those had to happen pretty early on to no fault of my own mind you, but to me, realizing that some things are outside your control and you have to accept reality, even if you hate it, is the day you become an adult. Of course, there are people who face no consequences no matter what they do and they die of old age with the mindset of a 4 year old. Especially if they were raised to be egomaniacal, self-obsessed, spoiled brats, of which there are a lot.

This may be an unpopular opinion but everyone needs to face a critical mass of unfortunate events at some part of their life. The earlier it happens the easier it is down the road.

ReptileMan•54m ago
There are 3 stages in life - when they care for you, when you care for yourself, when you are forced to care for someone else.

So i would say that you become adult when you have kids. Due to reasons this is postponed (or missing) to older and older age.

TheOtherHobbes•53m ago
I've seen some definitions that include a few basic requirements, such as:

- A basic level of emotional stability and self-control

- Some ability to model consequences accurately

- Some ability to negotiate and handle imperfections and challenges in social situations, including relationships and work

- Some ability to accurately locate the line between internal and external responsibility, and to act accordingly

On that basis it's not at all about age or life stages, but about social and emotional competence.

This culture has a superficial understanding of social competence - more or less defined by "socially competent people get what they want."

I don't think there's much understanding of emotional competence. The default framing seems to be "You're probably damaged and so is your partner (which is why you're not getting what you want)" and not so much "This is what a functional adult looks like."

Work is even worse, with emotional competence being defined almost entirely by its relationship to profit and shareholder value, and not by any intrinsic human standard.

sethammons•28m ago
> On that basis it's not at all about age or life stages, but about social and emotional competence.

I like that. And because humans are (sometimes poor) pattern matchers, we are confusing that for the proxy of age.

sethammons•34m ago
I have been a parent since I was 15. Officially married and moved on our own at 19. Graduated from the university at 22. Struggled hard-core until about 30 when my career changed and finally kicked off. My wife became an at home mom for our now three kids. It was my 40s when I realized, "oh, others see me as the adult in the room." I joke and say, "i have always been in my 30s," but I do feel a change recently. Very much facing forest dweller stage already with my oldest getting married.

What makes an adult? I think accepting responsibility for your (and often someone else's) condition is a big part of it. I did that at 15. I double downed at 30 when I became our sole provider. But it was my 40s when I started to feel like an adult.

I see many "adult" children and many more adults acting like children. The difference seems to be a combination of self-awareness, social awareness, and responsibility taking.