
Dahn
139 posts



This is a nuclide chart.
Number of Protons on Y axis
Number of Neutrons on X axis
The chart shows every known element and every known isotope.
The proton number determines the element, the neutron number determines the isotope.
The colour illustrates the half life of each type of atom, the vast majority of atomic structures decay quickly but the chart shows a spine of stable atoms in assembly-space.
There are a few weird features in this data.

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@charliermarsh Use it daily, mainly through Claude desktop. Examples:
- Writing clients for complex APIs – eg graphql mcp to write a more custom MCP for the @dagster GraphQL endpoint
- Exploring databases
- markdown-anything for yt video notes
- filesystem reading + RAG on code + docs
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@xarray_dev @NASA Looks great!
I think the first link in the post page should be tutorial.xarray.dev, not tutorial.xarray.org. The org domain does not work for me.
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New blog post about the revamped Xarray tutorial!
xarray.dev/blog/xarray-tu…
Many thanks to @NASA Open Source Tools, Frameworks, and Libraries program for funding this work!
See the tutorial material here: tutorial.xarray.dev/intro.html
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An awesome data format deserves an awesome list!
Awesome-Zarr: github.com/DahnJ/Awesome-…
Feedback and contributions most welcome!
zarr_dev@zarr_dev
Someone had to do it. And someone awesome did! ✨ Thanks to @dahnjahn for putting together #AwesomeZarr to expand the world of @AwesomeRepos github.com/DahnJ/Awesome-…
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@pokateo_maps Wait, they don't love you like I love you
Maps
Wait, they don't love you like I love you
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Make a song lyric mappy! For example: "I'm in love with the .shp of you" #gischat
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Awesome-DEM just reached 300⭐️ on Github! 🎊
Anything you would add to the list?
github.com/DahnJ/Awesome-…
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@__mharrison__ Click once on OneTab to get rid of them immediately without the constant anxiety of "but I might need them later!"
chromewebstore.google.com/detail/onetab/…
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@__mharrison__ Click once on OneTab to get rid of them immediately without the constant anxiety of "but I might need them later!"
chrome.google.com/webstore/detai…
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@berttemme @GeoParquet @postgis @duckdb @getdbt I'm curious, what do you use dbt for in GIS-related matters?
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Modern GIS workshop, about @geoparquet , @postgis , @duckdb , @getdbt and H3 github.com/mbforr/modern-…

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@TheScanson @_akhaliq I think that's a good thing to do!
And it's also how I got this hilarious answer :)
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@reitshare @_akhaliq Yep, on occasion it does give the right answer. And sometimes right..ish

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