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Show HN: I spent 6 years building a ridiculous wooden pixel display

https://benholmen.com/blog/kilopixel/
723•benholmen•9h ago•111 comments

Show HN: I've been building an ERP for manufacturing for the last 3 years

https://github.com/crbnos/carbon
91•barbinbrad•3h ago•28 comments

Qwen-Image: Crafting with native text rendering

https://qwenlm.github.io/blog/qwen-image/
300•meetpateltech•10h ago•85 comments

How we made JSON.stringify more than twice as fast

https://v8.dev/blog/json-stringify
195•emschwartz•11h ago•49 comments

EconTeen – Financial literacy lessons and tools for teens

https://econteen.com/
40•Chrisjackson4•2h ago•28 comments

Thingino: Open-Source Firmware for IP Cameras

https://thingino.com/
45•zakki•3h ago•9 comments

NASA's Curiosity picks up new skills

https://www.jpl.nasa.gov/news/marking-13-years-on-mars-nasas-curiosity-picks-up-new-skills/
95•Bluestein•6h ago•30 comments

I tried to replace myself with ChatGPT in my English class

https://lithub.com/what-happened-when-i-tried-to-replace-myself-with-chatgpt-in-my-english-classroom/
84•lapcat•2d ago•87 comments

Job-seekers are dodging AI interviewers

https://fortune.com/2025/08/03/ai-interviewers-job-seekers-unemployment-hiring-hr-teams/
521•robtherobber•18h ago•769 comments

Content-Aware Spaced Repetition

https://www.giacomoran.com/blog/content-aware-sr/
89•ran3000•6h ago•18 comments

Indian Sign Painting: A typeface designer's take on the craft

https://bl.ag/indian-sign-painting-a-typeface-designers-take-on-the-craft/
123•detaro•2d ago•19 comments

Ask HN: What trick of the trade took you too long to learn?

59•unsupp0rted•8h ago•80 comments

OpenIPC: Open IP Camera Firmware

https://openipc.org/à
202•zakki•3d ago•115 comments

DrawAFish.com Postmortem

https://aldenhallak.com/blog/posts/draw-a-fish-postmortem.html
258•hallak•13h ago•62 comments

How we built Bluey’s world

https://www.itsnicethat.com/features/how-we-built-bluey-s-world-cartoon-background-scenery-art-director-catriona-drummond-animation-090725
324•skrebbel•3d ago•152 comments

Deterministic Simulation Testing in Rust: A Theater of State Machines

https://www.polarsignals.com/blog/posts/2025/07/08/dst-rust
14•lukastyrychtr•3d ago•1 comments

Passkeys are just passwords that require a password manager

https://danfabulich.medium.com/passkeys-are-just-passwords-that-require-a-password-manager-ebb7f2fdcadf
46•dfabulich•6h ago•18 comments

Hiroshima (1946)

https://www.newyorker.com/magazine/1946/08/31/hiroshima
39•pseudolus•2d ago•46 comments

Once a death sentence, cardiac amyloidosis is finally treatable

https://www.nytimes.com/2025/08/04/well/cardiac-amyloidosis.html
106•elektor•5h ago•7 comments

Perplexity is using stealth, undeclared crawlers to evade no-crawl directives

https://blog.cloudflare.com/perplexity-is-using-stealth-undeclared-crawlers-to-evade-website-no-crawl-directives/
960•rrampage•12h ago•542 comments

The history of the Schwartzian Transform (2016)

https://www.perl.com/article/the-history-of-the-schwartzian-transform/
3•mooreds•3d ago•0 comments

What Can a Cell Remember?

https://www.quantamagazine.org/what-can-a-cell-remember-20250730/
51•chapulin•4d ago•5 comments

Customizing tmux

https://evgeniipendragon.com/posts/customizing-tmux-and-making-it-less-dreadful/
93•EPendragon•10h ago•82 comments

Projects evaluated to see if they're as free and open source as advertised

https://isitreallyfoss.com/
127•exiguus•4h ago•43 comments

My Ideal Array Language

https://www.ashermancinelli.com/csblog/2025-7-20-Ideal-Array-Language.html
116•bobajeff•13h ago•50 comments

Objects should shut up

https://dustri.org/b/objects-should-shut-the-fuck-up.html
301•gm678•11h ago•225 comments

Century-old stone “tsunami stones” dot Japan's coastline (2015)

https://www.smithsonianmag.com/smart-news/century-old-warnings-against-tsunamis-dot-japans-coastline-180956448/
130•deegles•13h ago•49 comments

Show HN: Mathpad – Physical keypad for typing math symbols

https://www.crowdsupply.com/summa-cogni/mathpad
62•MagneLauritzen•2d ago•23 comments

Is the interstellar object 3I/ATLAS alien technology? [pdf]

https://lweb.cfa.harvard.edu/~loeb/HCL25.pdf
81•jackbravo•13h ago•114 comments

Show HN: Sidequest.js – Background jobs for Node.js using your database

https://docs.sidequestjs.com/quick-start
51•merencia•10h ago•12 comments
Open in hackernews

EconTeen – Financial literacy lessons and tools for teens

https://econteen.com/
40•Chrisjackson4•2h ago

Comments

Chrisjackson4•2h ago
We just launched the second version of EconTeen, a financial literacy platform built to teach middle and high schoolers how money actually works.

Most kids don’t get any financial education we’re trying to fix that.

22+ self-paced lessons 25+ real-world tools (budgeting, investing, taxes, careers, etc.)

Our first launch reached 2,500+ students, and we’re now gearing up for back-to-school outreach with teachers and schools.

https://www.producthunt.com/products/econteen?launch=econtee...

https://econteen.com/

I’d love any feedback, harsh or helpful. Thanks!

– Christopher

SoftTalker•2h ago
> Most kids don’t get any financial education

We got some, in home economics. Not sure that subject is really offered anymore?

That was mostly around budgeting. What we didn't get nearly enough of was time value of money, and the cost of credit/borrowing.

As a result a lot of people buy a car and it's just a payment. They have no idea what they are paying as a total price. They don't start a 401K because they have no concept how much difference compounding makes if you start saving when you are 22 vs. 50. Then they are upset when companies do stuff "to benefit stockholders" and never consider that they could have been a stockholder.

jncfhnb•1h ago
> never consider that they could have been a stockholder.

They can’t to any meaningful extent.

Compound interest still sucks when you don’t have a meaningful initial investment.

dsiegel2275•2h ago
Curious if your platform supports LTI 1.3 for easy integration with school LMSes?
harmmonica•1h ago
I tried to find a freemium option that didn't require me signing up or agreeing to spend $3.99 at some later date. Could be helpful to get more people deeper into the "funnel." Like maybe open up the first 1/x of one of the 22 lessons?

If that option is there I couldn't find it so consider that a single-user usability test or just user error.

jncfhnb•1h ago
there is some great irony on the concept of putting in a debt driven option here
varenc•1h ago
This is a great use for privacy.com generated credit cards! Basically, you create a unique credit card number but set its budget to $1. They won't be able to start charging you until you raise the limit on the card. That's how I think all trials should work: requiring an additional confirmation to start charging you.

Also pretty ironic that this site is designed to trick you into paying for a subscription you've forgotten about...but that's the entire subscription/free trial economy of course.

mrangle•9m ago
It seems like an interesting idea.

I'd be intrigued, but would quickly click away.

You're forgoing the crucial part of the sales cycle where you demonstrate what you are offering. It goes from telling me, briefly, to asking for a credit card.

There's basically zero sales process.

Absent widespread recommendations (on order of Math Academy for example), If I don't have a better idea of what I'm buying then I won't buy it.

A free sample lesson would be a good start.

m-hodges•2h ago
Is this about Finance or Economics?
_def•2h ago
Knee jerk reaction: teens that need this won't have the money to pay for it
apsurd•1h ago
Education tends toward public good will if the mission is to educate and improve learning outcomes.

I've been told there's tons of money in education! But the insight is the edtech stuff that makes money does not sell education. B2b up-skilling platforms for example sell the promise of higher earnings. Food safety, HR training sell compliance. College prep sells college acceptance, and so on.

The people with the foresight to pay for financial literacy will very likely already be financially literate.

I'm conflicted.

eru•1h ago
What does college sell?

Btw, there's also money in actual learning things, look at eg music classes adults take just for their own sake.

(Of course, you could say that a guitar teacher is selling 'getting laid'. But that's perhaps going a bit too far.)

apsurd•1h ago
Gateway/access to professional-tier job market.

This is what they sell, but it's outdated since the 50s and millennials+ have slowly realized it was largely false promises. (both sides are to blame just to be clear)

kevindamm•1h ago
I think a lot of people underestimate the most valuable resource at universities: the access to specialized experts who love to talk with a curious and interested audience. Going through college by only kind of attending class and doing only the required work and exams, yeah the whole thing might feel like a scam, I could see that. But attending office hours, taking interesting gym classes, auditing a random class in a peripheral interest, involvement in clubs, and many other side quests will elevate that experience significantly.

If that were the only thing, yeah I could see it being a hard sell.. especially as costs have gotten a lot higher than when I went to university at the beginning of the millennium. But add in the peer network and the ease of making friends because of repeated random encounters.. and I think it's still worth it.

The whole "companies expect a degree, at least to show that you can finish a multi-year effort" was always an afterthought for me.

eru•46m ago
> I think a lot of people underestimate the most valuable resource at universities: the access to specialized experts who love to talk with a curious and interested audience.

You can get that access without paying tuition. Just show up and talk to the professors. They (most likely) won't kick you out.

cmeacham98•1h ago
College is not perfect and not for everyone but calling it "largely false promises" is laughably inaccurate: https://www.bls.gov/careeroutlook/2025/data-on-display/educa...
apsurd•1h ago
Yep, not disputing the data. Seems we agree: the premise is people go to college with the expectation of higher earning power. The product is earning power, less so "learning", but we don't have to argue semantics.

Now the more controversial stance is we can't say this earning power is causal. That's why specifically I said people buy the gateway ticket into these higher earning jobs. It's self-perpetuating.

I can't disagree with the data, what I can say is people that out-earn non-college people is not _because_ of college. The population represented by non-college goes really down really deep for large variety of socio-economic reasons let's just say.

apsurd•1h ago
I do agree there's money in discretionary learning. Music, dance, knitting, sports, you name it. In the scheme of things it seems niche. I don't intend to diminish the value of humans learning things.

My call out is when we think about changing outcomes for underserved groups of people, there's a hard reckoning that comes.

For example I dabbled in "teaching people to cook". It's one of the most transformative skills. After some months my takeaway is that people that pay for learning to cook aren't paying "to learn", they already know or want to get better or quite bluntly pay for food-porn, edutainment. There's thousands of published cook books of all forms. The barrier isn't lack of materials/content.

A person goes from zero to 1 learning to cook due to necessity, not my online saas course. Btw saas can work, people make a killing; but they're paying for network and "influencer" access, not cooking content.

snvzz•1h ago
First lesson: Avoid recurring payments aka subscriptions.
conception•15m ago
My knee-jerk reaction was “look at all those emojis. Claude made this in 30 minutes.”

Right or wrong, that’s the aesthetic now.

theogravity•1h ago
Really love the idea! I tried going to the FAQ on mobile safari on iOS and can't scroll on the answer sections, so the text is cut off.
DoctorWhoof•1h ago
Couldn't find anywhere (looked in F.A.Q. first) which age group this is most appropriate for. "Teens" is kinda vague!

Some clear requirement like "5th grade math" would be more appropriate.

poly2it•1h ago
They list a high school freshman in their reviews.
hirvi74•1h ago
How well can one learn financial literacy and how to manage money when one lacks financial assets and money of any significant amount?

I am not questioning that one can learn enough to pass the lessons, but often times, lessons fail to prepare for the real world.

I personally consider myself to be quite keen in the areas of financial literacy compared to most people. To be honest, I owe most of what I learned to two things:

1. Being addicted to Runescape in my youth back in the early 2000s. I am dead serious too. For a boring grindy point-and-click adventure, the game really had a lot of real world lessons packed in to it -- predominately to much of the game's economy depending on interactions with other players at the time.

2. Some unpleasant experiences growing up, but I do not feel like those had as much as an impact as #1, oddly enough.

One important point about the game is that I had stake in the game, so to speak. I put a lot of (wasted) time and (wasted) effort into the game in order to earn more and more fake, virtual currency. However, that in-game currency, at the time, had a lot of value to me. Every decision I made with the in-game currency had to be calculated and tact. "How do I earn enough for <x>?" If I spend <y>, I can afford <z>, but won't have enough for <a>" And so on.

I feel like in a lesson on a platform like EconTeen might lack that "stake" or "value" that MMORPG resources or real world money has. I am not trying to say EconTeen is a subpar product or anything like that. I am just thinking about myself, once a teenager, and I know I would have learned just enough to make it through these lessons as fast possible so that I may return to my video game as fast as possible.

reactordev•43m ago
Robux, this needs to be in robux…

You’re right. It wasn’t until I had any kind of real money that I had to actually learn financial literacy. I learned it as a kid but had completely forgotten because I grew up poor.

more_corn•10m ago
First financial lesson for teens. Control your subscription expenditures.
mushufasa•5m ago
there was a company "Zogo" that built a phone app to do this and sold it to banks as a free perk to try to increase savings rates / utilization of financial products at the bank. Had some moderate success. Haven't heard about it recently.
coderoller•4m ago
Another subscription...

With so many subscriptions for everything these days, I'm turning back to good old books to educate the kids. You pay once, they don't disappear after reading unlike in Fallout games, so you can reuse them with all the kids :). Helping them enjoy reading early really makes a lasting difference!