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Show HN: Bullshit Detector – agent skills that fact-check videos and articles

https://github.com/SerhiiKorniienko/bullshit-detector
5•skorniienko•26m ago•0 comments

Show HN: Echologue – the private AI voice journal I built for myself

https://echologue.com/
3•arisAlexis•40m ago•3 comments

Show HN: I was tired of opening 2 tabs for every HN link, so I made a userscript

https://github.com/twalichiewicz/HNewhere
356•twalichiewicz•15h ago•100 comments

Show HN: Vimgolf.ai – Learn Vim by playing through a map of levels

https://vimgolf.ai
22•nickandbro•3h ago•16 comments

Show HN: PriEco (open source, 400M index, EU search engine) integrated Goggles

https://prieco.net/
2•JojoYou•18m ago•0 comments

Show HN: A Persistent AI RPG Engine Built with React SPA and Supabase

https://vampirolife.com/en
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Show HN: Blank Invoice Maker – free, no-signup client-side invoice tool

https://blankinvoicemaker.com
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Show HN: Burnless – 1,590 tokens of context for a 1.44M-token workday

https://github.com/Rudekwydra/burnless
2•rudekwydra•26m ago•0 comments

Show HN: Parithmetic, a daily numbers game scored like golf

https://parithmetic.com
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Show HN: ReadFlora – Strava for Reading

https://readflora.com
2•amitabhx•32m ago•0 comments

Show HN: AnalogTV – analog TV simulated in the signal domain, not with filters

https://analogtv.net/
2•ambanmba•37m ago•0 comments

Show HN: The space simulator that I showed here first has had lot's of updates

https://luna.watermelonson.com/
2•watermelonson•41m ago•0 comments

Show HN: BetaManuscript – A Beta-Reading Platform for Indie Authors

https://betamanuscript.com
3•neudo•42m ago•0 comments

Show HN: Relaxingwith.me – Ambient sound mixer with an animated scene

https://relaxingwith.me
2•ahmettopal•49m ago•0 comments

Show HN: PipeCrab – a Rust voice agent that runs multiple tasks at once

https://github.com/SheaHawkins/pipecrab
2•aerxes•51m ago•1 comments

Show HN: Wallfacer: A terminal session manager for Claude Code

https://github.com/pradipta/wallfacer
2•pradiptasarma•52m ago•1 comments

Show HN: Free weather map with 25 model layers, live lightning and storm cells

https://www.wfy24.com/en/hyperion-map?lat=37.9321047&lon=23.7559673
3•weatherfun•55m ago•0 comments

Show HN: Gpuinstances.net, historical tracking for GPU prices across providers

https://gpuinstances.net/
2•vorador•1h ago•0 comments

Show HN: Font Lab – live font swapping and text editing on your dev server

https://github.com/jmg698/Font-Lab
4•jmg698•1h ago•0 comments

Show HN: I built a $8/mo Intercom alternative that integrates with Paddle/Stripe

https://www.userscom.com/
3•ibuildproducts•1h ago•0 comments

Show HN: I gave Fable a robot body

https://www.talraviv.co/p/i-gave-claude-a-robot-body
2•talsraviv•1h ago•0 comments

Show HN: PassControl – so your AI agents never hold your real API keys

https://passcontrol.vertias.eu
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Show HN: Aero Frame – a photo frame for planes flying near you

https://www.aeroframe.app/
3•ipsilo•1h ago•2 comments

Show HN: GPX and FIT File Tools – convert maps, plan routes, edit and more

https://gpxfile.pro/gpx-route-planner
3•jway66•1h ago•0 comments

Show HN: Experiments with Weather Data

https://strataweather.com/map
4•chrisfreder•1h ago•2 comments

Show HN: ElNinoLive – live tracker for the 2026–27 El Niño

https://www.elninolive.com
2•slavkovl•1h ago•0 comments

Show HN: JungOcean – Free personality test with no email gate and local storage

https://jungocean.com
4•LeoLeaS•1h ago•0 comments

Show HN: Steadra.dev is for automated QA with no effort

https://steadra.dev
2•anghelcontiu•1h ago•1 comments

Show HN: XY – A Fast, composable, GPU-accelerated interactive plotting library

https://github.com/reflex-dev/xy
126•apetuskey•21h ago•46 comments

Show HN: How far do I have to go to run into 100k people?

https://imjasonh.github.io/playground/population-rays/
71•ImJasonH•5d ago•46 comments
Open in hackernews

Show HN: Experiments with Weather Data

https://strataweather.com/map
4•chrisfreder•1h ago
I had been wanting to try experimenting with nowcasting since the death of Dark Sky and finally got around to it. This application essentially became a playground for me to experiment with various weather datasets and geospatial visualizations.

Some interesting concepts that came from it:

The nowcast is using pySTEPS optical flow under the hood: https://pysteps.readthedocs.io/en/latest/auto_examples/plot_.... This library is super cool. It bugged me that every radar visualization just gave you choppy snapshots in time, so I spent some time working on building a smooth interpolation. The backend passes keyframes along with motion data from the optical flow analysis and then has a custom WebGL shader to do the interpolation which lets you scrub the timeline and have a smooth interpolation.

The other forecast tiles and the main weather page are using the average of many different weather models. You can see every model that factors in on the models page: https://strataweather.com/models. This gives some indication of the divergence between models on the main page. Eventually I plan to score each model run and ensemble based on past performance (so you could say have a custom ensemble weight based on which models perform the best in your area). Haven't quite gotten around to that yet.

The risk pages are using the last 14 years of weather data to identify natural hazard risks as a true probability of occurrence. So it formally defines what we mean by a specific natural hazard and identifies the probability of occurrence based on past data at each location. Some of the definitions need some tweaking but it's a neat visualization.

Feel free to play around with it! It's running on a Hetzner box that I'm hoping will survive more users but we shall see!

Comments

jmg698•53m ago
It looks really cool! I thought I had an issue when I first clicked the bottom right play button, but I was just too far zoomed out. I wonder if you could have a longer play back so you could see movement easier when it's farther out.

I do like how it's just an open map and you can zoom in whereever you want really easily (i'm on my mac desktop).

chrisfreder•31m ago
Ahh, yea, it is set to do 2 hour forecasts for precipitation because the optical flow based nowcasting really drops off in accuracy beyond that. I probably should default it to be more zoomed in so there is more motion. Thanks for trying it out!