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Show HN: A luma dependent chroma compression algorithm (image compression)

https://www.bitsnbites.eu/a-spatial-domain-variable-block-size-luma-dependent-chroma-compression-...
12•mbitsnbites•3d ago•0 comments

Show HN: I saw this cool navigation reveal, so I made a simple HTML+CSS version

https://github.com/Momciloo/fun-with-clip-path
34•momciloo•4h ago•5 comments

Show HN: Kappal – CLI to Run Docker Compose YML on Kubernetes for Local Dev

https://github.com/sandys/kappal
37•sandGorgon•2d ago•17 comments

Show HN: Look Ma, No Linux: Shell, App Installer, Vi, Cc on ESP32-S3 / BreezyBox

https://github.com/valdanylchuk/breezydemo
291•isitcontent•1d ago•38 comments

Show HN: If you lose your memory, how to regain access to your computer?

https://eljojo.github.io/rememory/
359•eljojo•1d ago•217 comments

Show HN: PalettePoint – AI color palette generator from text or images

https://palettepoint.com
2•latentio•1h ago•0 comments

Show HN: I spent 4 years building a UI design tool with only the features I use

https://vecti.com
372•vecti•1d ago•170 comments

Show HN: Smooth CLI – Token-efficient browser for AI agents

https://docs.smooth.sh/cli/overview
96•antves•2d ago•70 comments

Show HN: R3forth, a ColorForth-inspired language with a tiny VM

https://github.com/phreda4/r3
85•phreda4•1d ago•17 comments

Show HN: I built a <400ms latency voice agent that runs on a 4gb vram GTX 1650"

https://github.com/pheonix-delta/axiom-voice-agent
2•shubham-coder•3h ago•1 comments

Show HN: Stacky – certain block game clone

https://www.susmel.com/stacky/
3•Keyframe•4h ago•0 comments

Show HN: A toy compiler I built in high school (runs in browser)

https://vire-lang.web.app
3•xeouz•5h ago•1 comments

Show HN: Artifact Keeper – Open-Source Artifactory/Nexus Alternative in Rust

https://github.com/artifact-keeper
155•bsgeraci•1d ago•64 comments

Show HN: BioTradingArena – Benchmark for LLMs to predict biotech stock movements

https://www.biotradingarena.com/hn
29•dchu17•1d ago•12 comments

Show HN: Slack CLI for Agents

https://github.com/stablyai/agent-slack
54•nwparker•2d ago•12 comments

Show HN: Nginx-defender – realtime abuse blocking for Nginx

https://github.com/Anipaleja/nginx-defender
3•anipaleja•7h ago•0 comments

Show HN: ARM64 Android Dev Kit

https://github.com/denuoweb/ARM64-ADK
18•denuoweb•2d ago•2 comments

Show HN: Gigacode – Use OpenCode's UI with Claude Code/Codex/Amp

https://github.com/rivet-dev/sandbox-agent/tree/main/gigacode
22•NathanFlurry•1d ago•10 comments

Show HN: MCP App to play backgammon with your LLM

https://github.com/sam-mfb/backgammon-mcp
3•sam256•9h ago•1 comments

Show HN: Micropolis/SimCity Clone in Emacs Lisp

https://github.com/vkazanov/elcity
173•vkazanov•2d ago•49 comments

Show HN: I'm 75, building an OSS Virtual Protest Protocol for digital activism

https://github.com/voice-of-japan/Virtual-Protest-Protocol/blob/main/README.md
7•sakanakana00•10h ago•1 comments

Show HN: I built Divvy to split restaurant bills from a photo

https://divvyai.app/
3•pieterdy•10h ago•1 comments

Show HN: Horizons – OSS agent execution engine

https://github.com/synth-laboratories/Horizons
27•JoshPurtell•1d ago•5 comments

Show HN: Daily-updated database of malicious browser extensions

https://github.com/toborrm9/malicious_extension_sentry
14•toborrm9•1d ago•8 comments

Show HN: Slop News – HN front page now, but it's all slop

https://dosaygo-studio.github.io/hn-front-page-2035/slop-news
22•keepamovin•15h ago•6 comments

Show HN: Falcon's Eye (isometric NetHack) running in the browser via WebAssembly

https://rahuljaguste.github.io/Nethack_Falcons_Eye/
7•rahuljaguste•1d ago•1 comments

Show HN: I Hacked My Family's Meal Planning with an App

https://mealjar.app
2•melvinzammit•12h ago•0 comments

Show HN: Which chef knife steels are good? Data from 540 Reddit tread

https://new.knife.day/blog/reddit-steel-sentiment-analysis
2•p-s-v•5h ago•0 comments

Show HN: I built a free UCP checker – see if AI agents can find your store

https://ucphub.ai/ucp-store-check/
2•vladeta•12h ago•2 comments

Show HN: Local task classifier and dispatcher on RTX 3080

https://github.com/resilientworkflowsentinel/resilient-workflow-sentinel
25•Shubham_Amb•1d ago•2 comments
Open in hackernews

Show HN: A solar system simulation in the browser

https://luna.watermelonson.com/
13•watermelonson•1mo ago
I didn't realize Universe Sandbox ran on MacOS, and I was in the mood to play around a bit.

Some functions it's got: - Random system generation - Sonification is super fun too - Habitability Simulation (Just for fun, don't cite this please) - Replacing, spawning, deleting objects

I've had tons of fun building this, so I hope someone else can share the joy. It's free and runs in the browser.

I'd love to hear any feedback. I think this is at a state where I might leave it as it is, but if people are interested in other features, maybe I'll keep working on it. I've kept saying I'll stop working on this for a while now though.

Comments

1970-01-01•1mo ago
Kudos, it works! I don't know why, but I found your rendering of the sun terrifying. It just looks angry from every angle.

Also, Jupiter seems to be rotating on it's side.

watermelonson•1mo ago
Haha I just took some textures for the planets. They do look wild. If I continue, maybe i would make custom artworks for them.

I’ll double check the rotations. Thanks for the note!

chistev•1mo ago
Nice job. I'm never failed to be impressed by any representation of the scale of space. It's humbling every single time.

Question though.

For Venus I saw Life Probability: 31.3% and Mars I saw Life Probability: 0.0%,

Isn't the likelihood of life greater for Mars? I thought Venus was the hottest planet in our solar system (hotter than Mercury even), so how could it possibly be more probable to have life than Mars (a planet that humans are hoping to get to)?

watermelonson•1mo ago
Yes, so I added some super rudimentary simulations. I am reading into astrobiology at the moment, so I should probably put a huge asterisk on those numbers.

If you generate random systems, there's a random atmosphere generation that also plays into it. But I think maybe in the default solar system I should be a bit more conservative with the phrasing.

Thank you for checking it out. And your feedback!

And yes, I fully agree that space is fascinating. One of my obsessions for sure