photonboom

Show HN: Starspelled – Turn Words into Constellations

Posted by photonboom on Thursday March 19, 2026 @10:56AM
from the show-hn dept.

I built a site that turns any word or short phrase into a constellation using star data from the HYG catalog.I was inspired by Neal Agarwal's constellation-draw, but approached it as an inverse fitting problem. Given text, find real stars that trace the letters. It uses a coarse grid search plus CMA-ES refinement to search for matches. You can reroll results, switch to a globe view, and drag...

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Re:Ask HN: Could you share your personal website here? on Wednesday January 14, 2026 @04:55PM (#46624212)

https://joshmosier.com/

Show HN: I built a robot to win at Mario Party minigames

Posted by photonboom on Monday January 12, 2026 @10:31AM
from the show-hn dept.

https://joshmosier.com/posts/deep-boo

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Show HN: I made the Samsung alarm into a real music box

Posted by photonboom on Sunday November 23, 2025 @05:26PM
from the show-hn dept.

https://joshmosier.com/posts/music-box

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Re:OpenAI O3 breakthrough high score on ARC-AGI-PUB on Friday December 20, 2024 @01:56PM (#42473769)

heres the right timestamp: https://www.youtube.com/watch?v=SKBG1sqdyIU&t=768s

Re:Show HN: Movie Iris - Visualizing Films Through Color Extraction on Thursday December 19, 2024 @12:55PM (#42464003)

That's an interesting idea. I wonder how well the film iris/barcodes could be used to figure out which movies make the best 'palette' to recreate a given scene.

I spent some time earlier this year on creating mosaics of movie posters using other posters as tiles: https://joshmosier.com/posts/movie-posters/full-res.jpg (warning: 20mb file) Using this on each frame of a scene gave some good results with a fine enough grid even with no repeating tiles: https://youtu.be/GVHPi-FrDY4