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1•susam•3m ago•0 comments

Computer use or tool calling – what's best for real world work agents?

1•akshat77•9m ago•0 comments

Show HN: Remove your data from 100 platforms without signing up

https://www.offlist.me
1•rahulkandoriya•9m ago•0 comments

Exploring the Untouched Abandoned IBM Corporate Retreat

https://www.youtube.com/watch?v=DjQ2PAgUcM8
1•dandelionv1bes•14m ago•0 comments

iPad kids are more anxious, less resilient, and slower decision makers

https://www.theregister.com/2025/12/30/ipad_kids_are_more_anxious/
1•Bender•15m ago•0 comments

Global coal demand has reached a plateau and may well decline slightly by 2030

https://www.iea.org/news/global-coal-demand-has-reached-a-plateau-and-may-well-decline-slightly-b...
1•smurda•15m ago•0 comments

Show HN: Interactive magical particles simulation in pure C++ (SDL2)

https://github.com/CoolMartinBonk/Gift-from-other-planet
1•martin2000•16m ago•0 comments

Beyond New START: What Happens Next in Nuclear Arms Control?

https://www.rusi.org/explore-our-research/publications/commentary/beyond-new-start-what-happens-n...
1•zeristor•17m ago•0 comments

The most durable tech is boring, old, and everywhere

https://www.theregister.com/2025/12/31/long_lived_tech/
1•Bender•17m ago•0 comments

IPv6 just turned 30 and still hasnt taken over the world, dont call it a failure

https://www.theregister.com/2025/12/31/ipv6_at_30/
2•Bender•18m ago•0 comments

CATL Makes Big Announcement on Sodium Batteries for 2026

https://cleantechnica.com/2025/12/29/catl-makes-big-announcement-on-sodium-batteries-for-2026/
1•ksec•23m ago•0 comments

Peek-a-boo and the First Lesson in Awareness [essay]

https://omegaaxiommeta.substack.com/p/why-we-play-peek-a-boo-contrast-pattern
1•nilegreen•28m ago•1 comments

Enough of the 'Hey you ' faux-friend nonsense. You're a business, not my mate

https://www.theguardian.com/commentisfree/2026/jan/01/the-hill-i-will-die-on-business-friend-indi...
3•beardyw•31m ago•0 comments

Built AI chatbot platform to be 100% EU-hosted after customers refused OpenAI

https://www.chatvia.ai
1•mayahi•36m ago•0 comments

Bulgaria joins euro area from 1 January

https://ec.europa.eu/commission/presscorner/detail/de/ip_25_3123
2•yreg•36m ago•0 comments

China builds a record-breaking hypergravity machine to compress space & time

https://www.google.com/url?q=https://www.scmp.com/news/china/science/article/3338193/china-builds...
1•mnming•38m ago•0 comments

Windows 11 Outperforming Linux on an Intel Arrow Lake H Laptop

https://www.phoronix.com/review/windows-beats-linux-arl-h
25•tuananh•40m ago•7 comments

Deltax: A non-decision AI governance framework with explicit stop conditions

https://zenodo.org/records/18100154
1•DELTA-X•41m ago•1 comments

Bluetooth Headphone Jacking: A Key to Your Phone [video]

https://media.ccc.de/v/39c3-bluetooth-headphone-jacking-a-key-to-your-phone
2•AndrewDucker•43m ago•0 comments

V programming language version 0.5 released

https://github.com/vlang/v/releases/tag/0.5
4•hggh•45m ago•0 comments

Show HN: 1seed – Derive all your crypto keys from a single seed

https://github.com/oeo/1seed
1•genesishash•45m ago•0 comments

Show HN: BakwasLogin – A user-hostile login with physics-based password entry

https://www.bakwaslogin.app/
2•bhavesh_kukreja•52m ago•0 comments

IQuest-Coder: Open model w/ 81.4% on SWEBench

https://iquestlab.github.io/
5•denysvitali•52m ago•0 comments

Role of psychological strengths in positive life outcomes in adults with ADHD

https://www.cambridge.org/core/journals/psychological-medicine/article/role-of-psychological-stre...
1•bookofjoe•53m ago•1 comments

Bulk image conversion client-side using Web Workers

1•lemongravity•53m ago•0 comments

Navigating Moats in the AI Transition

https://shaokang.substack.com/p/navigating-moats-in-the-ai-transition
1•Wraecca•56m ago•0 comments

Facebook is testing a link-posting limit for professional accounts and pages

https://techcrunch.com/2025/12/17/facebook-is-testing-a-link-posting-limit-for-professional-accou...
3•austinallegro•57m ago•0 comments

I rebooted my social life

https://takes.jamesomalley.co.uk/p/this-might-be-oversharing
3•edent•59m ago•0 comments

Can a Commodore 1541 disk drive be used as a general purpose computer? [video]

https://www.youtube.com/watch?v=6loDwvG4CP8
2•amichail•59m ago•0 comments

China's CXMT eyes $4.2B Shanghai listing to fund DRAM expansion

https://www.reuters.com/world/asia-pacific/chinas-cxmt-eyes-42-billion-shanghai-listing-fund-dram...
1•ksec•1h ago•1 comments
Open in hackernews

If childhood is half of subjective life, how should that change how we live?

https://moultano.wordpress.com/2025/12/30/children-and-helical-time/
41•moultano•2h ago

Comments

rwnspace•1h ago
I think time perception is contingent on cultural and lifestyle factors, I don't recognise it in my own life. My twenties (chaotic) lasted forever, now in my 30s, this last year in particular felt incredibly long (it was eventful and full of change).

I rarely find myself on "autopilot". Is that why?

bryanrasmussen•1h ago
right things that are eventful and full of change take a long time, childhood is generally eventful and full of change. If having an eventful and changing life increases the amount of subjective life we experience how should we live.
t0lo•1h ago
Autopilot is a choice- most people are on it, some aren't. Society has always been like this. Society is attacking self aware and fully conscious people more than ever now though :(
throw_away_623•45m ago
I think you are on to something.

My theory is that the brain is good at compressing memories, so if you do mostly the same things every day it's not stored as a separate memory.

I actually felt my 30s as one of the longest periods in my life, because of things that happened in my life

spectralista•19m ago
I would agree with this from subjective experience. My non-IT based career has been highly volatile with unintended unemployment, companies going out of business, changing entire sectors and roles many times. Huge volatility in relationships and partners also.

Much downside to this but the upside is my life feels incredibly long and I haven't even reached 50 yet. I have already lived numerous lives compared to the self that would have had a very stable life the last 25 years. My working life feels vastly longer than my very stable childhood. That came and went in the blink of an eye from this perspective.

mentalgear•1h ago
I have been reading the comment by Jim Grey on the bottom of the article, and I was thinking, is that mostly what we are - and why people like novelty (especially in tech) so much - because it makes us feel young ? Or maybe not young, but teaches us something new, learning something active - worth remembering.

> We also think that novelty rivets our attention and makes time seem to slow down. Childhood is full of novel experiences that, as they repeat, become less so. True novelty becomes unusual when you’re pushing 60 as I am now. The brain says, “Oh, that again,” and glosses past it.

smokel•1h ago
> This is a depressing thought to consider in (linear) middle age, but it is hard to escape the feeling that it is essentially true. Childhood memories have an intensity and a vibrancy that it is difficult for the rest of life to match.

Could anyone who is extremely fortunate and never had to work for money share their experience on this?

I find that the years that I spent on art (playing around, learning new things, not taking other peoples' orders) lasted longer than the ones I spent doing software development for money. Both were fun, but the remaining memories differ by intensity.

I personally don't find the logarithmic experience theory convincing. Why are the first three or so years excluded from this? It seems more likely that new experiences make more impact, or that repeated memories make them more intense. Or dozens of other theories.

kubb•45m ago
My best and “longest” memories are from a two year period spent in the university when I had earned some money in internships and could live with few obligations.

This is also the happiest I’ve ever been.

Childhood is mostly blocked out (abusive parents, poverty), and adulthood is mostly work.

Maybe we just remember the periods when we’ve been happy. It would make sense evolutionarily.

anonzzzies•37m ago
My family was not wealthy but I got the luck being born in the EU in a country where edu and Healthcare were basically free and you really cannot end up under a bridge unless extreme mental (and drugs issues that follow that) problems. My parents, even though we did not have much, always taught us to never follow orders unless you think they make sense and follow our own path. I guess that is why I mostly have no difference in vividness; I always did my own thing, that happens to be writing software so I got lucky and got rich by building stuff I thought was nice and needed. I still do that while also doing art (welding sculptures and writing). 2025 was not less vibrant than my childhood. Of course I am the most annoying employee; if you tell me 'have to', I will definitely never ever do it. So I never been an employee; guess that is the luxury you mentioned.

I have no clue how it would have turned out if I would have grown up in a country without a safety net. I hope the same as I never needed that net and will never need it, however I am not so sure; it makes taking risks very easy...

JacWpthrowaway•19m ago
Never been rich but .. who's richer, the one who has more stuff / buying power or the one who has less material needs? Anyway, I was always pretty frugal and lucked out on passive income 6 years ago but even before that I never had full time jobs and all my life I basically worked just enough to get by, never cared much about saving.

From my experience childhood felt like grinding my way to max level in an MMO. Had to be done to start playing the game but didn't really care for it. I had more freedom since I was 18 than before so I cherish those memories more.

nchmy•9m ago
I, of course, have plenty of vivid memories from childhood. But I've also been fortunate to be able to travel in all senses - quick tourist vacation, a few months backpacking, and multi-year slow travel where I mostly just lived in different places (different nature settings, towns, cities etc).

Tourism is generally forgettable and I don't recommend it to anyone - save the money and do something where you live.

Backpacking feels meaningful in the moment, but is also largely forgettable. I truly have almost no meaningful memories from 2 separate 2 month trips in Europe and southeast Asia.

The slow travel is most recent, was the most "boring" but also, I think, most meaningful as I was explicitly focused on self-reflection and discovery of a more meaningful way to live after many years (or a lifetime, really) of aiming to be a better cog in the machine. I don't have a lot of "memories" - highlights that I reminisce about - from it, but rather various phase shifts/epiphanies in my understanding of myself, life, the world etc...

I now live in relative poverty in a poor country where I have been working for 7+ years to develop a project for the benefit of the multitudes who can't even conceive of being able to do anything that I've just describe. And for whom even childhood is rather joy and wonder-less, because of how hard life is. I'm mostly glued to my computer again, but it's not soul sucking in the way it was in a cubicle with spreadsheets - because the purpose is meaningful.

I do miss the slow travel days - they were absolutely the most enjoyable period of my life. But I've also met people who have done that for decades and they're profoundly sad people - they have no roots or connections anywhere, no meaningful vocation, etc.

A meaningful life is to be actively involved in the sorrows of the world, with joy.

Still, I really ought to get a bit more play and exploration back into my life.

In the past year, I've been coaching teen soccer/football and that has been wonderful. Both to help me fix my desk-broken body, as well as to help them, principally, become better humans. To succeed on the field they need to develop the same characteristics needed to succeed in life - discipline, determination, cooperation, empathy, solidarity, creativity, perspective, vision, patience, and more. The world around them is largely bereft of such things, so it has been challenging.

But they're vastly better at playing now than a year ago, and I've heard they generally behave better at home as well. The difference between this and the article's version of living through your kids is a) they're not my kids and b) I'm focused on helping them become proper adults via play, whereas the article is largely about recreating Neverland where everything is childish. I expect it'll be unlikely that I'll instill much community spirit in them - though, perhaps we'll incorporate some community service into the training at some point. But it all does seem meaningful.

Still, the real focus and crux of my life is the overarching project to help people everywhere become more self-sufficient. Hopefully I'll be finally ready in the next year or so to "go public" with it, and that people will be receptive to using it, collaborating, helping etc...

t0lo•1h ago
The premise is that life stops being novel around 20 to suit this argument- but you can easily argue that that's more around 30 or even 40
polotics•48m ago
Yeah sure. Here's one for the new year from a 57 years old:

There is always novelty if you stay curious. Boredom in your life will only start once you have become boring.

6-7 !!!

(who here also thinks the true meaning of 6-7 is reactive fear of 2026 & 2027 from the school-going crowd?)

spacebanana7•47m ago
Isn't the general principle sound? That novel experiences become rarer as we get older, leading subjective life to be highly skewed towards youth.
nehal3m•35m ago
That's assuming novelty is the only way to live long subjectively. Is that a decent assumption? Personally I find subjective life longer if you just take your time, no pun intended.
dbacar•55m ago
Does putting a graph make a subjective feeling scientific? For me the past year was like 10 years, and who knows for the rest of the world.

Time is relative no matter what age you are and probably depends how much has changed in your life (maybe I should put a graph here to make it more scientific :)) )

moultano•52m ago
The graph is just to clearly convey the idea, not to give it any more connotation of rigor than the idea itself has. The idea has a long enough history and enough research behind it to be in psychology textbooks and be referenced on Wikipedia, but it seems to resonate for some people and not others. https://en.wikipedia.org/wiki/Time_perception#:~:text=Propor...
huhkerrf•53m ago
> This is a depressing thought to consider in (linear) middle age, but it is hard to escape the feeling that it is essentially true. Childhood memories have an intensity and a vibrancy that it is difficult for the rest of life to match.

This is just not my experience at all. I had a great childhood, but ask me about the most vibrant moments, and very few of them came before I was 18. The births of my children, my wedding, meeting my wife, lazy afternoons in college...

rixed•52m ago
Sure enough, if you model life experience as a 2d plot, you are going to have to simplify things quite a bit. Yes, time "felt" longer for a child (especially when the child has to wait or wants something yet to come, less so when it's time spent on video games), and children are particularly impatient compared to adults.

But is that experiencing life, though? How many strong memories from that "logarithmic first half" of my life do I have? Actually very few compared to what came later, and they are not particularly compelling either.

My guess is that the author just hit mid-life crisis after having spent one or two decades in an office. Boring mindless job is what makes life experience to plateau, not adulthood. If I think of the most accomplished persons that I know, who've done many things with their life, I can't imagine them saying that their childhood was half of their life. They would probably laugh at the idea.

Or maybe he hasn't reached that crisis yet, since he finds solace in the idea that his child is doing the living for him. Wait until the kids leave home, for the log to turn into a exponential panic.

nchmy•5m ago
I think you nailed it. This person is not living, and may never live. When their birds fly the coop and, worse, when they themselves retire, they're in for a whole world of emptiness.
ofalkaed•49m ago
Every assertion in this article is completely alien to me to the point that I can not even comprehend that people live like that, it seems untenable to life to me. A year did not feel like a fifth of my life when I was 5, I could not even comprehend a year in that sense and very much lived in the present. Now in my 40s I don't see a year as just another year and still don't think of it as one 45th of my life. When I was 5 I saw where I was, now I see how far I have come and how far I have to go; all that has really changed is that I have come to understand how the past and the future define the present instead of just accepting that this is what I am currently experiencing, I understand cause and effect, consequence.

Does this article seem accurate to your perception of life? It would explain some things regarding my interactions with most people if I am so completely missing something so fundemental about their existence.

Edit: Why does conveying my experience and desiring to understand the experience of others get a downvote? Genuinely curious.

begueradj•46m ago
> That’s enough. In the end, they will undoubtedly be my greatest accomplishment, and raising them is the most worthwhile way I can choose to spend my days.

You fulfilled Mother Nature's goal: reproduction. Everything else is an illusion. That's why Schopenhauer questioned parenthood.

barishnamazov•42m ago
I'm 22 and since late college things don't excite me the way they used to, even when I enjoy them. I sometimes wonder if this is what happens when people get older and happened to me early, or if it's just a personality trait.

The 'vicarious firsts' framing doesn't quite land for me because of that, but the 'urgency that won't let you drift' observation resonates. Maybe what matters isn't renewed wonder but having something -- family, friends, caring about the world -- that demands presence. The forcing function matters more than the feelings themselves.

My dad always says something related in nature: caring about and loving your family makes you a better person more than it helps your family.

neutronicus•40m ago
Well.

I, personally feel like having lived is a net win, joy-wise, mostly on the strength of my childhood. So I'm trying to give that to my sons as well.

nchmy•35m ago
This was a both a nice, and extremely depressing, read.

It sounds like the author has had a good childhood and is a good parent to their kids. Wonderful.

But the whole article is appropriately summarized by their final sentences

> You recreate your memories in them. They recreate childishness in you. Life folds back on itself, but not quite the same. It loops, but continues. A helix. > > Life, then, is the creation of childhoods. You have yours, and then you get to create childhoods for others. The time is yours, and theirs

They have completely given up on their own life, and the possibility that they, too, could live in a child-like way, where they have their own wonder, joy etc.

Eg

> Children make you childlike. Skipping through the park as an adult man raises eyebrows (deservedly or not.) Skipping through the park as an adult man with your son or daughter skipping next to you on your arm is one of life’s greatest joys, both for you and for anyone who sees you.

Why do you care about people's eyebrows? Go skip, play, dance, be curious, be creative - whether just for the sake of it, or also in your "work".

Your kids need to see you actually living so that they, too, might be able to actually live once they've moved into adulthood.

> Your Christmas trees get smaller, your lights less ambitious. Some find all of these fun for their own sake, but if you are not the type of person who finds ritual appealing you will likely find yourself slowly disconnecting from holidays. You will find yourself asking what all the hustle bustle is for. > > Kids. That’s who it’s for. Of all the experiences that children renew, traditions are renewed the most. When you put up a Christmas tree, it’s for kids. When you decorate for Halloween, it’s for kids. All of these holidays are in essence a celebration of childhood, and children let you see them all for the first time again. If you remember the excitement of galumphing

Christmas, and other traditions, are NOT about trees and lights and presents. Thanksgiving is not about waiting to stampede a Walmart to buy crap. It's about genuine communion with family, friends, or - if you're particularly clued in - even strangers who don't have such traditions available to them.

And so on.

They talk about the joy of showing kids Saturn in a telescope. I won't argue with that. But that doesn't mean an adult can't have joy in discovering new things in the cosmos - be it through a career or hobby in telescopes, or exploring all parts of nature, from microbes to volcanoes. Whether as a hobby or a career.

This person is missing the point of everything.

We must do as nietzsche described and progress from a camel, to a lion, to a child again. Joseph Campbell - a wonderful interpreter and guide of all of these things - explains it all well, a quote of which is at this page https://centeroflighttulsa.org/three-transformations-spirit/

rendall•33m ago
I have a pet theory that everybody gets one lifetime, and no matter how long that life is, it always subjectively feels like one lifetime. Whether you live three days or a hundred years, it will always feel about the same amount of time, both interminable and too short.
lovich•32m ago
Maybe by realizing that this is a crazy idea?

Half of your life is childhood because you weighed subjective experiences differently when you had no knowledge or life experiences so you should change your life based on that situation where you were in Plato’s cave?

Actually fuck even this title is bad. If life is subjective, don’t ask how “we” should live. Subjectiveness means that’s a “you” question.

youoy•28m ago
I quote for context:

> But what about those of us who are well into the flattening part of the curve, what can we do for ourselves? You can seek new experiences perhaps. If time goes faster because your life has fewer firsts and more routine, then it can be extended by adding firsts. You can learn new things, travel, take up hobbies, or new careers.

> This works, to a point, but there are only so many firsts for you, and chasing this exclusively seems to lead to resentment. You remember the things you had as a kid. You remember the excitement and warmth of that world, how immediate and raw everything felt, and you want to go back. You start to regret that the world has changed, even though what changed the most is you.

I like to think that life slows down once you form a stable image and story of yourself. The more you convince yourself that that image is fixed, the faster time will go by. That might justify why childhood seems longer, since that image seems to form around adolescence.

Experiencing new "firsts" but keeping that image of yourselfe fixed just works for a while. That is why it may lead to resentment, as the article says.

So dont fool yourself: some image of who you are gives you some stability, but just use it for that, so that you dont run crazy with options.

If you treat every event as something that might reshape your ego, then suddenly a big number of experiences are new, and time suddenly slows dont. It may even appear to dissapear from time to time.

elias_t•26m ago
> We feel time differently over our lives. As a toddler, an afternoon feels like an eternity. In middle age, “no matter how I try, those years just flow by, like a broken down dam.” For a 5 year old, a year was a fifth of their life, and feels like it. For a 40 year old, it is just another year.

I think this explanation is true but incomplete. I believe it's also related to Critical Flicker Fusion Frequency [0], the way I see it, if an organism is smaller it has a higher frequency, it sees more image per second, therefore perception of time is slower. (E.g. a fly sees you moving really slowly). Maybe it's related to the processing time of images, with smaller brains insect can process more of them per second.

Maybe humans process more images as children, therefore see the time time going slower.

It's been a while I didn't think about this, maybe some studies have been made in the past years.

[0] https://en.wikipedia.org/wiki/Flicker_fusion_threshold

nrhrjrjrjtntbt•24m ago
That would.im theory make kids the best at certain sports like table tennis say. Is there an objective test?
nostrademons•8m ago
That is largely true across a variety of sports. eSports like Starcraft typically peak between 18-22, and it's possible the real age is younger but minors are usually excluded from pro leagues because they can't sign contracts. Gymnastics seems to peak between age 13-16; it was enough of a problem that the FIG set an age limit of 16 so the sport wasn't dominated by prepubescent girls age 13-14 (18 for men because the events tend to be more strength-based than coordination-based). Top table tennis players usually tend to start between 4-6 [1] and win their championships around their early 20s. [2]

There's some lag between starting and being world-class simply because continued practice makes you better. Plus, you get much better at sustained focus and being able to connect disparate training experiences together as your consciousness develops in the teens.

[1] https://www.reddit.com/r/tabletennis/comments/1i085sr/a_coll...

[2] https://www.tabletennisdaily.com/forum/topics/what-is-the-pe...

rr808•24m ago
My kids go to a stem focused magnet school. I realize different cultures value different things but its depressing to me how many kids are pushed to dedicate their whole childhood to get into top Universities. We'd go to the beach and their friends couldn't come because they were doing extra APs or science fair or Math Olympics or similar. These kids got good grades but never went on a date, couldn't drive or go anywhere by themselves.
sokoloff•16m ago
I was partially one of those other kids. Honestly, I loved it and definitely wouldn’t re-roll my childhood if given the chance.

Later in life, I managed to catch up in dating and other aspects, but kept a good streak of nerd pride and am totally happy about that.

If you were to have observed my childhood and got depressed about it, that interpretation would have been misguided.

zkmon•17m ago
Best way is, don't make up new rules, don't come up with some new analysis and new ways of living etc. None of that is needed. Human life hasn't started just yesterday. Just live the way your ancestors lived. Don't give too much importance to children. Don't spend too much attention on them. Mind your work and let children mind their observation of the world around them.
rendx•8m ago
"The basic stratum of the personality and the associated underlying belief systems that hold it in place derive from a number of factors: the shadow aspects of parents; the same unresolved elements in the lives of grandparents (the ovum from which the mother sprang was already formed at eleven weeks gestation in the maternal grandmother); a commensurate and immeasurable twine of psychogenetic ancestral memories; the prenate’s own “baggage” from pre-conception; the experience of the conception itself; the phenomenology of implantation; and the whole duration of the gestation period; all together form layers of affect in this self-forging process."

William R. Emerson, Ph.D. https://emersonbirthrx.com/wp-content/uploads/2015/04/Journa...

iammjm•6m ago
A typical person in the western world spends like 4 hours on their phone each day. They also spend 8 hours at work, doing mostly the same-ish thing over and over again. Then there's commute along the same routes, and our habits and ways of life we calcify into. The brief moments of mental freedom are often terrorized by the anxiety induced by what we consumed during our phone binges. Let's add some degree of sleep deprivation into the mix. Might all of that have something to do with how we perceive life and how fast and meaninglessly it goes by?