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Posts by David Rodriguez

The post is longer than usual at about a 15-minute read as I include some of the agent responses I got back.

Included in the post is a link to the github for the wiki: github.com/dr-rodriguez...

And a google sheet with some example queries I did to test it: docs.google.com/spreadsheets...

2 days ago 0 0 0 0
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Data Science: An AI LLM Wiki for DnD Session Notes Random thoughts from a book-loving Puerto Rican astronomer/data scientist in Baltimore.

New blog post: An LLM Wiki for DnD Session Notes
This was my attempt to test the Karpathy LLM Wiki setup that's been circulating in social media. I also compare it against my RAG-based approach from last year and test a few models.
#ai #dnd #DataScience
strakul.blogspot.com/2026/04/data...

2 days ago 2 2 1 0
An individual stands in front of a large window displaying NASA and Roman Space Telescope Goddard logos. They hold a colorful painting depicting a lively scene with multiple people and a telescope. Behind the window, there's a large structure covered in black material.

An individual stands in front of a large window displaying NASA and Roman Space Telescope Goddard logos. They hold a colorful painting depicting a lively scene with multiple people and a telescope. Behind the window, there's a large structure covered in black material.

STScI's Jenn Kotler painted this stunning piece live at NASA's Goddard Space Flight Center during a visit to view #NASARoman.

The artwork—which took Kotler five and a half hours to complete—highlights the powerful human stories behind groundbreaking science.

5 days ago 28 6 0 0
Save NASA Science Action Hub Updates and actions on the proposed cuts to NASA science in FY 2027.

If you’ve been moved & inspired by Artemis, NASA needs your help. Literally during A2, the president proposed cutting NASA science 47%, canceling 54 missions, including many already in-flight. To help stop these cuts, check out @planetarysociety.bsky.social www.planetary.org/save-nasa-sc...

1 week ago 535 409 5 6
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Book Review: Queen Demon by Martha Wells Random thoughts from a book-loving Puerto Rican astronomer/data scientist in Baltimore.

New Blog Post: A book review for Queen Demon by Martha Wells.
A decent book, 2nd in a series, but nowhere near as fun as her Murderbot Diaries series.
#Books 💙📚 #booksky
strakul.blogspot.com/2026/04/book...

1 week ago 2 1 0 0

Haha, nice!

1 week ago 0 0 0 0
A crescent Earth peeking over the Moon

A crescent Earth peeking over the Moon

Lots of great images from NASA of last night's lunar fly-by. This is probably my favorite thus far. #ArtemisII
images.nasa.gov/details/art0...

1 week ago 4 1 1 0
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View of the spacecraft (bright, on the left), a dark thin crescent of Moon, and a very small, bright thin crescent of Earth next to it

View of the spacecraft (bright, on the left), a dark thin crescent of Moon, and a very small, bright thin crescent of Earth next to it

"Orion, the Moon, and the Earth. EVERYONE, in that picture" - #Artemis II Mission Control.

2 weeks ago 3803 1014 47 79
Times BST/CEST:

18:00/19:00 - NASA coverage begins
18:56/19:56 - Crew surpasses Apollo 13 distance record
19:45/20:45 - Lunar observation period begins
23:44/00:44 - Loss of communications (behind Moon)
00:02/01:02 - 7 April, closest approach to the Moon
00:05/01:05 - 7 April, max. distance from Earth
01:35/02:35 - 7 April, eclipse period begins
02:20/03:20 - 7 April, lunar observation period ends

Times BST/CEST: 18:00/19:00 - NASA coverage begins 18:56/19:56 - Crew surpasses Apollo 13 distance record 19:45/20:45 - Lunar observation period begins 23:44/00:44 - Loss of communications (behind Moon) 00:02/01:02 - 7 April, closest approach to the Moon 00:05/01:05 - 7 April, max. distance from Earth 01:35/02:35 - 7 April, eclipse period begins 02:20/03:20 - 7 April, lunar observation period ends

#Artemis II update: 6 April, lunar flyby day!

See nasa.gov/ways-to-watch/ @exploration.esa.int

2 weeks ago 228 74 2 13
A Lego Rocky does jazz hands in front of a TV showing the Artemis II rocket

A Lego Rocky does jazz hands in front of a TV showing the Artemis II rocket

Amaze amaze amaze 🚀

2 weeks ago 331 40 5 3

FWIW absolutely no one I know who has expertise in spaceflight or planetary exploration thinks this is either remotely plausible or a good idea to attempt on such a timeline. The dominant reaction is somewhere on the spectrum between mockery and dismay. Real, important science was cancelled for this

3 weeks ago 4132 1195 140 38

Excited for today's 1.0 release of Timberborn (with automation!). Also excited for today's early access release of Solasta 2. But which one to try first?! Beaver colony builder or an RPG DnD story?
#videogames

1 month ago 1 0 0 0

Yesterday it was nearly 80F, today it is in the 30s and snowing. Just #Maryland things....

1 month ago 2 0 0 0
A restaurant sign saying The Pop Up with a banner saying Lote 787 alongside a small map of Puerto Rico with its flag

A restaurant sign saying The Pop Up with a banner saying Lote 787 alongside a small map of Puerto Rico with its flag

A mallorca bread burger with sweet plantains and yuca fries.

A mallorca bread burger with sweet plantains and yuca fries.

Conference "un-banquet" was at R. House, which allowed me to try the pop up Lote 787- a Puerto Rican themed eatery. Got a interesting fusion burger with mallorca bread, sweet plantains, and fried yuca. Tasty! #Baltimore

1 month ago 2 0 0 0
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Queen Demon (The Rising World Book 2) Amazon.com: Queen Demon (The Rising World Book 2) eBook : Wells, Martha: Kindle Store

There's an Amazon Kindle sale on Queen Demon (the sequel to Witch King, 2nd book in the Rising World series) today for 2.99, US and Canada www.amazon.com/Queen-Demon-... #booksky

1 month ago 211 92 14 0
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Book Review: Project Hail Mary by Andy Weir Random thoughts from a book-loving Puerto Rican astronomer/data scientist in Baltimore.

New Blog Post: A book review for Project Hail Mary by Andy Weir.
A pretty neat take on first contact with extraterrestrial life while still being grounded on the real world. And just in time for the movie, too!
#Books 💙📚 #booksky
strakul.blogspot.com/2026/03/book...

1 month ago 8 1 0 0
A white snowy field with trees in the background and a few snow-covered dark green evergreens in center and to the right.

A white snowy field with trees in the background and a few snow-covered dark green evergreens in center and to the right.

Good morning from after the winter storm. At least it looks pretty and isnt as cold as the last storm. ❄️🌲

1 month ago 2 0 0 0
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Snow-topped trees, including a pair of evergreens in the center. There is a white railing from a balcony and the whole scene is mostly white from freshly falling snow.

Snow-topped trees, including a pair of evergreens in the center. There is a white railing from a balcony and the whole scene is mostly white from freshly falling snow.

Yay... more snow... just what I always wanted... /s 🙃❄️

1 month ago 2 0 1 0
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Book Review: The Well of Ascension by Brandon Sanderson Random thoughts from a book-loving Puerto Rican astronomer/data scientist in Baltimore.

New Blog Post: A book review for The Well of Ascension by Brandon Sanderson.
This is the 2nd book in the original Mistborn series. A slightly slower-paced entry that sets the stage for the final book in the trilogy.
#Books 💙📚 #booksky
strakul.blogspot.com/2026/02/book...

1 month ago 6 1 0 0
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OPPORTUNITY: The Space Telescope Science Institute in Baltimore, MD, is searching for a Senior Cloud Database Developer to help manage the backend data pipelines, database system and ensure reliable data access for our advanced astronomical public data archive: https://bit.ly/46Oj6kR

2 months ago 16 4 0 1

thank you bad bunny for highlighting the importance of critical power distribution infrastructure bsky.app/profile/cost...

2 months ago 1097 257 6 9

Benito is a threat b/c he makes art so alluring and enjoyable you want to understand everything about it and then you end up learning about sugar and slavery and colonialism and the Taínos and Hawaii and then you probably have some thoughts of your own, and that's why art is powerful and dangerous

2 months ago 20613 5241 107 177

Wow! That's like 10x the amount of books I read in January 😆

2 months ago 1 0 1 0
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Book Review: Cibola Burn by James S.A. Corey Random thoughts from a book-loving Puerto Rican astronomer/data scientist in Baltimore.

New Blog Post: A book review for Cibola Burn by James S.A. Corey.
This is the 4th book of The Expanse and the universe has opened up bring new opportunities and new threats. An enjoyable, if sometimes tense, read.
#Books 💙📚 #booksky
strakul.blogspot.com/2026/01/book...

2 months ago 5 1 1 0

At this rate, Sunday will just be January 32nd.

2 months ago 1 0 1 0
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Full week of admin/liberal leave at work due to weather (aka work from home). And it makes sense- I tried to move my car and nope, too snowy and icy for me. Good thing I had stocked up enough so I don't really need to go anywhere.

2 months ago 3 0 0 0
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NASA’s TESS Reobserves Comet 3I/ATLAS - NASA Science NASA’s TESS (Transiting Exoplanet Survey Satellite) observed the interstellar comet 3I/ATLAS during a special observation run from Jan. 15 to 22. Scientists

Have you seen this video of the Comet 3I/ATLAS of observations from TESS? science.nasa.gov/blogs/3iatla... Data available at MAST.

2 months ago 5 2 0 0
Logo of the Space Telescope Science Institute, STScI, over a backdrop of a colorful space nebula, with text 'Expanding the Frontiers of Space Astronomy'.

Logo of the Space Telescope Science Institute, STScI, over a backdrop of a colorful space nebula, with text 'Expanding the Frontiers of Space Astronomy'.

OPPORTUNITY: The Space Telescope Science Institute in Baltimore, MD, is searching for a Senior Astronomical Data Scientist, to help advance our data analysis tools for our NASA flagship missions primarily in areas of data visualization: https://bit.ly/3YQDM7y

2 months ago 15 6 0 1
The Roman Space Telescope in a clean room. At the center is the observatory on a raised platform. We see an array of black solar panels which block the main view of the telescope and its instruments. At the bottom a black antenna peaks through. Elsewhere in the room are various scaffolding and other pieces of equipment. On the wall is a sign that reads Goddard Space Flight Center.

The Roman Space Telescope in a clean room. At the center is the observatory on a raised platform. We see an array of black solar panels which block the main view of the telescope and its instruments. At the bottom a black antenna peaks through. Elsewhere in the room are various scaffolding and other pieces of equipment. On the wall is a sign that reads Goddard Space Flight Center.

Got a chance to visit the Goddard Space Flight Center and see the Roman Space Telescope today in the clean room. Very exciting to see the real thing before it launches up to space!

2 months ago 6 0 0 0
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MUST READ thread before Monday night's forecasted G4 / SEVERE geomagnetic storm. Auroras could be seen as far south as the U.S.-Mexico border at times. Widespread mid-latitude displays are possible. Here's what you need to know to have a successful aurora chase tonight! 🧵

#heliophysics #aurora

3 months ago 675 375 23 84