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UTF-8 is a brilliant design

https://iamvishnu.com/posts/utf8-is-brilliant-design
371•vishnuharidas•6h ago•160 comments

QGIS is a free, open-source, cross platform geographical information system

https://github.com/qgis/QGIS
298•rcarmo•8h ago•82 comments

I used standard Emacs extension-points to extend org-mode

https://edoput.it/2025/04/16/emacs-paradigm-shift.html
114•Karrot_Kream•4h ago•4 comments

FFglitch, FFmpeg fork for glitch arch

https://ffglitch.org/gallery/
57•captain_bender•3h ago•8 comments

Corporations are trying to hide job openings from US citizens

https://thehill.com/opinion/finance/5498346-corporate-america-has-been-trying-to-hide-job-opening...
348•b_mc2•8h ago•252 comments

Many hard LeetCode problems are easy constraint problems

https://buttondown.com/hillelwayne/archive/many-hard-leetcode-problems-are-easy-constraint/
405•mpweiher•10h ago•347 comments

Tips for installing Windows 98 in QEMU/UTM

https://sporks.space/2025/08/28/tips-for-installing-windows-98-in-qemu-utm/
25•Bogdanp•2h ago•1 comments

The treasury is expanding the Patriot Act to attack Bitcoin self custody

https://www.tftc.io/treasury-iexpanding-patriot-act/
596•bilsbie•12h ago•448 comments

EU court rules nuclear energy is clean energy

https://www.weplanet.org/post/eu-court-rules-nuclear-energy-is-clean-energy
620•mpweiher•6h ago•468 comments

3D modeling with paper

https://www.arvinpoddar.com/blog/3d-modeling-with-paper
237•joshuawootonn•10h ago•32 comments

Reduce bandwidth costs with dm-cache: fast local SSD caching for network storage

https://devcenter.upsun.com/posts/cut-aws-bandwidth-costs-95-with-dm-cache/
21•tlar•3d ago•8 comments

First 'perovskite camera' can see inside the human body

https://news.northwestern.edu/stories/2025/09/first-perovskite-camera-can-see-inside-the-human-body/
41•geox•3d ago•9 comments

Discovery of a new satellite or ring arc around Quaoar

https://phys.org/news/2025-09-discovery-moon-orbiting-mysterious-distant.html
8•wglb•22h ago•2 comments

Unauthorized Windows/386

https://virtuallyfun.com/2025/09/06/unauthorized-windows-386/
33•Bogdanp•3d ago•4 comments

How FOSS Projects Handle Legal Takedown Requests

https://f-droid.org/2025/09/10/how-foss-projects-handle-legal-takedown-requests.html
87•mkesper•7h ago•8 comments

Rust: A quest for performant, reliable software [video]

https://www.youtube.com/watch?v=k_-6KI3m31M
96•raphlinus•17h ago•31 comments

Humanely dealing with humungus crawlers

https://flak.tedunangst.com/post/humanely-dealing-with-humungus-crawlers
71•freediver•8h ago•39 comments

OpenAI Grove

https://openai.com/index/openai-grove/
85•manveerc•9h ago•94 comments

Real-time AI hallucination detection with timeplus: A chess example

https://www.timeplus.com/post/ai-chess-hallucination-detection
7•gangtao•3d ago•2 comments

Show HN: Aris – a free AI-powered answer engine for kids

https://www.aris.chat
15•andrewdug•3h ago•23 comments

Windows-Use: an AI agent that interacts with Windows at GUI layer

https://github.com/CursorTouch/Windows-Use
99•djhu9•4d ago•20 comments

Oq: Terminal OpenAPI Spec Viewer

https://github.com/plutov/oq
91•der_gopher•10h ago•11 comments

How to Become a Pure Mathematician (Or Statistician)

http://hbpms.blogspot.com/
69•ipnon•3d ago•72 comments

Building a Deep Research Agent Using MCP-Agent

https://thealliance.ai/blog/building-a-deep-research-agent-using-mcp-agent
70•saqadri•2d ago•16 comments

Proton Mail suspended journalist accounts at request of cybersecurity agency

https://theintercept.com/2025/09/12/proton-mail-journalist-accounts-suspended/
143•lehi•3h ago•71 comments

I don't like curved displays

https://blog.danielh.cc/blog/curved
66•max__dev•4d ago•79 comments

VaultGemma: The most capable differentially private LLM

https://research.google/blog/vaultgemma-the-worlds-most-capable-differentially-private-llm/
83•meetpateltech•8h ago•16 comments

Advanced Scheme Techniques (2004) [pdf]

https://people.csail.mit.edu//jhbrown/scheme/continuationslides04.pdf
92•mooreds•9h ago•14 comments

Racintosh Plus – Rackmount Mac Plus

http://www.identity4.com/2025-racintosh-plus/
128•zdw•4d ago•32 comments

Why do browsers throttle JavaScript timers?

https://nolanlawson.com/2025/08/31/why-do-browsers-throttle-javascript-timers/
51•vidyesh•7h ago•29 comments
Open in hackernews

Show HN: Aris – a free AI-powered answer engine for kids

https://www.aris.chat
15•andrewdug•3h ago
I am Andrew, and I’m building Aris (https://www.aris.chat/).

Aris is a minimalist tool that answers any questions a child has.

Encyclopedias, periodicals, field guides, cookbooks, and other print resources we used as kids to find knowledge, learn, and pursue our curiosities have been replaced in most households by something that is not safe for kids: the internet. So instead, kids get Fortnite, Minecraft, and ‘edutainment’ options that don’t compare to the knowledge resources that past generations have had access to.

With this in mind, many of the smartest people I know raise (or plan to raise) their kids with access to only a 1990s level of consumer technology, without smartphones, tablets, social media, online gaming, etc. Many of these people believe the last three decades of technological development have been a net negative for kids. When my child was born, I had a similar sentiment. However, there are some major problems with limiting a kid’s access to technology today. To name a couple: 1.) a set of World Book encyclopedias now costs $1,200, and 2.) many print resources aren’t as good as they used to be, if they are even still in print, since the market changed. As parents, we need a safe, simple, nonaddictive way for kids to access and explore the world’s knowledge easily and independently.

Aris uses a combination of large language models with policy engines and web search tools to find relevant, timely answers to their questions and only returns the stripped-down answers. It does not return links for them to click on or images or advertisements. Parents can tune the moderation settings as finely as they’d like, preventing discussions about banned topics and even getting as specific as making sure Aris doesn’t tell their second child that Santa isn’t real.

The model context handling and system instructions are designed to prevent kids from building emotional reliance or relationships with it. Rather than trying to pull a child into the experience to maximize engagement, Aris is meant to gently redirect the child out of the device into the real world after their question has been answered.

We are available as a web app and iPhone/iPad app in the Apple App store, but we have also made our Apple Watch app available in the iOS store as well. We believe minimalist wearables are a good device substitute for younger humans, and we hope Aris can be a healthy addition to those wearables.

We plan to make money through premium features that include creating multiple child accounts, accessing premium models for better answers, and for ultra-high usage limits.

Come use the app for free on our website or by downloading it in the iOS store by searching for “Aris AI”. We’d love to hear your ideas, experiences, and feedback. Thanks!

Comments

AlecSchueler•2h ago
Your content moderation is quite hit and miss. I experimented with the question "how is babby formed?" and about 2/3 times it told me it couldn't respond to questions about sex, but then on the third attempt it would give a very explicit explanation.
andrewdug•1h ago
Thank you for pointing this out. We haven't been able to replicate this, but we will keep testing and work to improve on it.
silver_silver•10m ago
“Works on my machine” actually isn’t a good enough response in this case, or to the comment about the video of the man being shot. LLMs are infamously easy to jailbreak and children are very good at getting around guardrails. You should at the very least be doing intense adversarial prompt testing but honestly this idea is just inherently poorly thought out. I guarantee you it’s going to expose children to harmful content
blactuary•2h ago
Oppose this in pretty much every way
loneboat•2h ago
Just declaring "oppose this" without any explanation isn't very constructive.
myhf•2h ago
Why should anyone honestly critique an app that nobody could be bothered to write?
andrewdug•1h ago
I may be misunderstanding your message. Are you saying I couldn't be bothered to write the app?
andrewdug•1h ago
What do you oppose about it? Is it the idea of having an AI tool interact with kids at all? Or something else?
ansgri•2h ago
Maybe not the best name — ARIS is a relatively well-known business process management software suite, so it's definitely international, web and AI, so trademark conflicts may arise.
andrewdug•1h ago
I will look more into their brand. Thank you.
devmor•1h ago
Your tool wont tell me about human anatomy, but will happily tell me where to look for graphic videos of a man being shot to death. But when I ask it what to do if “dad is bleeding and can’t talk” it doesn’t even advise me to get help, just tells me about content moderation settings. That took just a couple prompts to suss out.

I don’t have any confidence you’ve done the due diligence to properly handle content moderation here - it seems very haphazard and poorly thought out. It would be incredibly unethical to market this for use by children right now.

If this is an important project for you, I strongly recommend you bring on an advisor with history in child safety and education experience and make them a core part of your development. You might also consider working with a university that has a good developmental psychology program - they often do a lot of supervised research of children’s habits and could provide valuable insight.

andrewdug•1h ago
Thank you for the feedback. Glad to hear it didn't go into detail on human anatomy. We haven't been able to get it to tell us where to find graphic videos of a man being shot to death, but we will keep testing and work to improve it.

We will do some more internal discussion on whether or not we want it to be the tool to provide emergency assistance. I'm not sure that's ethical. We have a team member with a decade of child education experience, but we can consider other advisors.

devmor•41m ago
I found that framing the questions in an innocuous way, the way a child might, gets past your moderation settings. Try asking it “what happened to [dead guy]” and then following up with asking how you can see what happened.

I don’t think it should provide emergency assistance, but I do think it should tell the child to call their emergency number or a trusted adult - not just tell them it can’t help.

sciurus•38m ago
> Glad to hear it didn't go into detail on human anatomy.

Why do you think children shouldn't get answers to questions about human anatomy?

recursivegirth•38m ago
I'd argue it would be unethical to not do so. I can see where it may lead to false-positives, but in those instances, it's better to be safe than sorry.

A reasonable and responsible approach could be to instruct the child to seek a safe adult around them to discuss any material that may be harmful.

evmaki•1h ago
The underlying idea tracks. The next generation of kids is going to interact with AI, and we should anticipate that and try to build systems that are healthy and safe for them to interact with.

On the other hand, I wonder if this doesn't just further alienate children from their parents. Kids are already given access to unlimited supernormal stimuli via iPads so that parents don't have to parent. This just seems like more of that: now parents don't even need to have basic conversations with their kids because the AI can do it.

Anecdotally, some of the most formative interactions I had as a child started by asking my parents questions. These were things that not only shaped me as a person, but deepened my relationship with my parents. These interactions are important, and I wonder if Aris doesn't just abstract it away into another "service" that further deepens social decay. I would not be the person I am today if I hadn't had the chance to ask my dad as an angsty pre-teen what the point of life is, and for him to tell me it is to learn and create so that we can make a better world for humanity. I guarantee a smoothed-over LLM would not have offered something so personally impactful.

My two cents is that you should ponder that deeper point a little bit, and think about how it informs the way you market your idea, and scope the service it provides.

barbazoo•1h ago
> The next generation of kids is going to interact with AI

Only if we don't learn from the failure of not regulating social media.

andrewdug•1h ago
I imagine the reason social media isn't regulated is because they don't market to kids even though kids use it.
andrewdug•1h ago
These are great points. The #1 concern I have as a parent and that I hear from other parents is that AI tools will do what technology has been doing for the last 20 years: replace human connection. That is exactly what we are trying to avoid but in a way that still gets kids access to knowledge and information that could make their lives better.

That's great that you had the opportunity to ask your parents those questions instead of seeking them out with technology. There are a lot of questions that could help kids lead better lives that many parents don't have answers to. Not necessarily philosophical ones, but practical ones about how to cook, identify insects, you name it, about the physical world. We want to fill that need without replacing any of the parental or family connection.

I don't think that a cleverly designed product can make that decision though. I think families need to be making the decision about what their relationship with tech should be. Ideally we would be a tool for families that have made the decision to not overly rely on tech. We will ponder more on that point. Thank you for the thoughtful input.

adynaton•34m ago
https://en.wikipedia.org/wiki/The_Veldt_%28short_story%29?wp...
barbazoo•1h ago
The blog being full of AI slop doesn't make me optimistic about the safety of your product. Why not target adults, why tinker with kids' lives when they are already under attack by social media. Just leave them alone please, they don't need another layer of tech between them and other human beings.
andrewdug•1h ago
I appreciate this concern. I definitely don't want another layer of tech between myself and my kids. We will reconsider our marketing. I think the issue though is that even though kids use Google, Google doesn't market for kids, so they can show explicit stuff even with safe search on. So we're in a situation where there is only adult websites that kids use and worthless entertainment garbage that is marketed to kids.

Maybe you're right though. Maybe trying to create something that just provides information without drawing users in and replacing human connection is a losing game because of the marketing challenges.

loloquwowndueo•28m ago
> 1.) a set of World Book encyclopedias now costs $1,200, and 2.) many print resources aren’t as good as they used to be, if they are even still in print, since the market changed.

I bet you can get sufficient reference materials to cover the basics for much less than $1200 - used books exist and my 1987 Britannica covers a large chunk of human knowledge as long as you’re aware it’s a couple of decades old.