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Artemis II crew take 'spectacular' image of Earth

https://www.bbc.com/news/articles/ce8jzr423p9o
293•andsoitis•2h ago•124 comments

iNaturalist

https://www.inaturalist.org/
282•bookofjoe•5h ago•82 comments

Show HN: TinyOS – A minimalist RTOS for Cortex-M written in C

https://github.com/cmc-labo/tinyos-rtos
13•hpscript•46m ago•2 comments

What changes when you turn a Linux box into a router

https://patrickmccanna.net/7-configuration-changes-that-turn-a-multi-homed-host-into-a-switch-rou...
53•0o_MrPatrick_o0•3d ago•11 comments

Show HN: I built a frontpage for personal blogs

https://text.blogosphere.app/
597•ramkarthikk•9h ago•166 comments

Oracle Files H-1B Visa Petitions Amid Mass Layoffs

https://nationaltoday.com/us/tx/austin/news/2026/04/03/oracle-files-thousands-of-h-1b-visa-petiti...
215•kklisura•2h ago•110 comments

We replaced RAG with a virtual filesystem for our AI documentation assistant

https://www.mintlify.com/blog/how-we-built-a-virtual-filesystem-for-our-assistant
176•denssumesh•1d ago•87 comments

Charge Robotics (YC S21) Is Hiring Software and Hardware Engineers

https://jobs.ashbyhq.com/charge-robotics
1•banks_h•1h ago

Go on Embedded Systems and WebAssembly

https://tinygo.org/
105•uticus•5h ago•14 comments

Samsung Magician disk utility takes 18 steps and two reboots to uninstall

https://chalmovsky.com/2026/03/29/samsung-magician.html
370•chalmovsky•5d ago•209 comments

How to Make a Sliding, Self-Locking, and Predator-Proof Chicken Coop Door (2020)

https://www.backyardchickens.com/articles/how-to-make-a-sliding-self-locking-and-predator-proof-c...
53•uticus•3h ago•21 comments

Async Python Is Secretly Deterministic

https://www.dbos.dev/blog/async-python-is-secretly-deterministic
44•KraftyOne•3h ago•22 comments

F-15E jet shot down over Iran

https://www.theguardian.com/world/2026/apr/03/us-fighter-jet-confirmed-shot-down-over-iran
281•tjwds•6h ago•648 comments

DCJ11Hack+ – DEC PDP/11 based homebrew computer

https://codeberg.org/TechPaula/DCJ11HackPlus
11•zdw•3d ago•0 comments

Iran Strikes Leave Amazon Availability Zones "Hard Down" in Bahrain and Dubai

https://www.bigtechnology.com/p/iran-strikes-leave-amazon-availability
46•upofadown•1h ago•20 comments

Automatic Textbook Formalization

https://github.com/facebookresearch/repoprover
18•tzury•2h ago•7 comments

Build your own Dial-up ISP with a Raspberry Pi

https://www.jeffgeerling.com/blog/2026/build-your-own-dial-up-isp-with-a-raspberry-pi/
85•arjunbajaj•7h ago•18 comments

April 2026 TLDR Setup for Ollama and Gemma 4 26B on a Mac mini

https://gist.github.com/greenstevester/fc49b4e60a4fef9effc79066c1033ae5
276•greenstevester•12h ago•111 comments

Show HN: Ismcpdead.com – Live dashboard tracking MCP adoption and sentiment

https://ismcpdead.com
17•sagirodin•3h ago•9 comments

Show HN: TurboQuant for vector search – 2-4 bit compression

https://github.com/RyanCodrai/py-turboquant
79•justsomeguy1996•5d ago•5 comments

SSH certificates: the better SSH experience

https://jpmens.net/2026/04/03/ssh-certificates-the-better-ssh-experience/
191•jandeboevrie•12h ago•82 comments

Firm boosts H.264 streaming license fees from $100k up to staggering $4.5M

https://www.tomshardware.com/service-providers/streaming/h264-streaming-license-fees-jump-from-10...
111•MaximilianEmel•4h ago•50 comments

A Recipe for Steganogravy

https://theo.lol/python/ai/steganography/seo/recipes/2026/03/27/a-recipe-for-steganogravy.html
128•tbrockman•5d ago•29 comments

Update on the eBay Scam

https://kevquirk.com/update-on-the-ebay-scam
24•speckx•4h ago•30 comments

You can now run a full Linux operating system inside a 6mb PDF

https://twitter.com/oliviscusAI/status/2038563166431346865
68•matthewsinclair•3d ago•17 comments

What Category Theory Teaches Us About DataFrames

https://mchav.github.io/what-category-theory-teaches-us-about-dataframes/
170•mchav•5d ago•58 comments

ESP32-S31: Dual-Core RISC-V SoC with Wi-Fi 6, Bluetooth 5.4, and Advanced HMI

https://www.espressif.com/en/news/ESP32_S31_Release
191•topspin•5d ago•110 comments

The Hardest Document Extraction Problem in Insurance

https://www.furtherai.com/engineering-blogs/hardest-document-extraction-problem-in-insurance
10•sgondala_ycapp•1h ago•0 comments

Show HN: Apfel – The free AI already on your Mac

https://apfel.franzai.com
626•franze•13h ago•137 comments

PIGuard: Prompt Injection Guardrail via Mitigating Overdefense for Free

https://injecguard.github.io/
7•mettamage•3h ago•5 comments
Open in hackernews

Show HN: We're building an AI hedge fund

https://rallies.ai/arena
13•rallies•1h ago

Comments

rallies•1h ago
Founder here: YC actually had an "AI hedge fund" idea in one of their recent "request for startups" post. We've been working on evaluating the capabilities of frontier models in investing money in the stock market. Results are encouraging and we're not doubling down on it.

Happy to answer any questions.

Kuyawa•1h ago
How difficult would it be to do the same for the crypto world? I love the concept.
rallies•1h ago
Not difficult at all.

Nof1 has actually been doing that.

pinkmuffinere•8m ago
> Results are encouraging and we're not doubling down on it.

Personally I believe LLM-assisted trading is destined to underperform passive indices, so I also would have moved on from this. But you say results were promising, so I'm interested to hear why you're not pursuing it further. Is it just that you have other things to focus on? Is there something else that's making you move on?

Kye•1h ago
I was under the impression ML-driven trading was already widespread.
rallies•1h ago
ML driven is. LLM driven is still nascent, especially the idea that as large language models get more advanced, can they research and invest like a fund manager.
htrp•1h ago
How are you different from all the other quant funds?
rallies•1h ago
there is no human in the loop, there is no high frequency trading. We're trying to have AI mimic what fund managers do:

- lots of research - longer time horizons - zero humans in the loop, but explain every single thing you do.

gambutin•1h ago
Are you hedging against the AI bubble?
rallies•1h ago
The AI models are. Somewhat.
pinkmuffinere•1h ago
The link doesn’t let me read the post without downloading the app?? I’m not 100%, but I bet that’s against HN rules, and at least against the spirit. I’m flagging it

Edit: I don’t want you to feel excessively bad, but you should feel bad for hijacking a user forum that _in good faith_ entertains new ideas like yours! This kind of behavior destroys the ecosystem you’re benefiting from.

Edit2: It’s fixed! Thanks @rallies!

rallies•1h ago
I'm fixing it. Give me a minute, apologies.

Edit (reply on your edit lol): you're right.

Second edit: fixed now. No more walls anywhere.

pinkmuffinere•1h ago
Thankyou!! Will unflag
add-sub-mul-div•1h ago
It's an account with no activity here except for self promotion. Everyone should be flagging it. It's an advertisement.
satvikpendem•1h ago
Thanks, I flagged. OP, you need more activity than just submitting your own articles.
rallies•1h ago
Cruel. Was having a good day! I know it's my own thing, but it's free, and it was a lot of work.
pinkmuffinere•11m ago
Welp, sorry it got taken down in the end. At any rate I feel it's significant enough effort to earn a space on HN one way or another -- maybe worth submitting through the 'main channel' if people really don't feel it belongs in Show HN.
pinkmuffinere•13m ago
Show HN is meant for people that build a thing. It's not meant for incremental features. However, I'd say this counts as a 'new thing', not an incremental feature, so I think it should be allowed. At any rate, I'm happy to see it, and I think it meets the bar as compared to most Show HN's I've seen in the past.
rallies•1h ago
In case it's not clear.

This is an experiment to see how well can LLMs invest in the market through a lot of research. We give them tool calls to access every financial dataset that exists online, and also some money to manage. And we then see how well they do.

The experiment started in November 2024.

unohoo•1h ago
is the leaderboard based on returns since november 24 ?
rallies•1h ago
correct.
mrbluecoat•1h ago
Glad I didn't put my money on Qwen. -35% ouch
rallies•1h ago
haha lol.

I actually think it's doing better now. It was just too stubborn to exit its position for the first few months. It did that, and put some money into MSFT/JPM recently.

charliememe99•1h ago
What the goal of this?
charliememe99•1h ago
Whats the goal of this though?
rallies•1h ago
Two goals.

- First is to actually evaluate whether these LLMs have any intelligence around investing. If you actually give them all the data, can they do well? Can they beat the market? I'm not sure, we're testing that.

- My thesis is that they will actually beat the market (I know a lot of you will disagree). If that's the case, how can we invest a lot of resources in building the best harness, tool calling, etc to enable these models to invest.

pinkmuffinere•1m ago
> If you actually give them all the data

What does "all the data" mean here? I see you mentioned SEC posts. What about news articles, twitter / blog / other posts, general info on the industries, etc?

I assume these are simulated trades, not real trades being executed. How accurately do you take into account trading fees, time from order-decision to order-placement, and things like this?

I would be interested to see the same test run on some prediction market (kalshi / polymarket / etc). In the stock market, a rising tide lifts all boats, so it's easy to deceive yourself about how well you've done, vs how important initial timing was. I suspect that prediction markets will eliminate that source of noise, since it's truly a 0 sum game. That said, it also adds lots of complication, insider trading will eat into your performance more, etc.

joshstrange•48m ago
Are there multiple instances of each model running? Or at least more than 1? I'd be fascinated to see what multiple Claude instances would fare, would they all be up, or did this instance just get lucky?
RhysU•37m ago
The default page load hides plots for all models with negative returns? That's sketch.