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jordan

@jordan.matelsky.com

making computers better using brains and making brains better using computers. computational neuro and dumb little web apps sticking a steam wand directly into my brain and frothing it like a cappuccino at @kordinglab. senior research scientist at JHU/APL

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12.11.2024
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Latest posts by jordan @jordan.matelsky.com

I collected (personal) data on this :)

Averaged about 0.9 hours of email per day (average includes weekends and holidays) since starting my PhD in August of 2021.
FEELS like way more than that...

09.03.2026 20:13 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
the famous "cameraman" demo image showing a guy looking through a camera on a tripod

the famous "cameraman" demo image showing a guy looking through a camera on a tripod

the famous "cameraman" demo image showing a guy looking through a camera on a tripod. but this time it's represented in ascii art! and it's the data URL of the first image.

the famous "cameraman" demo image showing a guy looking through a camera on a tripod. but this time it's represented in ascii art! and it's the data URL of the first image.

the base64 encoding of this image is also this image
blog.jordan.matelsky.com/bb64/

04.03.2026 14:20 ๐Ÿ‘ 4 ๐Ÿ” 1 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

bsky bot that auto-replies to skeets with dollar amounts saying "$21.5M SEPTA expansion is worth 28 minutes of doing war"

05.03.2026 00:18 ๐Ÿ‘ 1 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

We could fund an entire PhD student on the expenses the military burned in the time it took you to read this

04.03.2026 20:31 ๐Ÿ‘ 1 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

With this war on Iran costing $1B per day, we are now at 4$B, an amount that would fund 3,200 five year NIH biomedical research grants.

04.03.2026 20:20 ๐Ÿ‘ 227 ๐Ÿ” 91 ๐Ÿ’ฌ 7 ๐Ÿ“Œ 10

...an essential part of humanity is discovery and knowledge. When someone's eyes light up because they finally understand why rainbows form, that's not because they were first to discover it, but rather because it shows them that the universe itself can be understood.

Which is no less valuable imo!

04.03.2026 14:37 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

"Science" as a term is overloaded! Science plays a different role for the public than it does for the scientific apparatus itself.
I don't want the cure for cancer to come a decade later just to be slightly more gratifying to the discoverer.

But ...

04.03.2026 14:37 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0
the famous "cameraman" demo image showing a guy looking through a camera on a tripod

the famous "cameraman" demo image showing a guy looking through a camera on a tripod

the famous "cameraman" demo image showing a guy looking through a camera on a tripod. but this time it's represented in ascii art! and it's the data URL of the first image.

the famous "cameraman" demo image showing a guy looking through a camera on a tripod. but this time it's represented in ascii art! and it's the data URL of the first image.

the base64 encoding of this image is also this image
blog.jordan.matelsky.com/bb64/

04.03.2026 14:20 ๐Ÿ‘ 4 ๐Ÿ” 1 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

that's a really good ratio

04.03.2026 05:45 ๐Ÿ‘ 2 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

cool ones or dumb ones? im up doing dumb ones right now

04.03.2026 05:40 ๐Ÿ‘ 1 ๐Ÿ” 0 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0
Webinar - PlanYourScience.com Doing good science can be hard, even overwhelming. Planning your study helps. Join us to learn more about the app that will help you get started and guide you through the process.

Join our live webinar on March 11 @ 12 pm ET to learn more about PlanYourScience.com the app to help you plan your research and guide you through the process.

RSVP today @ buff.ly/una620W

@kordinglab.bsky.social
@gunnarblohm.bsky.social
@jordan.matelsky.com

23.02.2026 13:17 ๐Ÿ‘ 3 ๐Ÿ” 2 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

One day I will drink my last beer from Brewer's Art in Baltimore and shed a single tear

04.03.2026 01:49 ๐Ÿ‘ 4 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

ha, that's not how I interpreted that line :)

03.03.2026 22:46 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

or you can wait a little bit, and eat a hundred marshmallows

23.02.2026 03:56 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

it is, if you turn piranesi on its side!

22.02.2026 04:32 ๐Ÿ‘ 1 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

we couldn't use government funds to buy coffee (like, folgers ground coffee) when i worked on a CDC outbreak emergency response

19.02.2026 15:58 ๐Ÿ‘ 6460 ๐Ÿ” 1901 ๐Ÿ’ฌ 146 ๐Ÿ“Œ 47
meme graphic of a soldier shielding a sleeping person with his body; the bullets are labeled "IT DEPT TRYING TO REMOTELY FORCE-REBOOT MY LAPTOP" and the soldier is labeled "BLENDER SAVE CHANGES BEFORE CLOSING DIALOG"

meme graphic of a soldier shielding a sleeping person with his body; the bullets are labeled "IT DEPT TRYING TO REMOTELY FORCE-REBOOT MY LAPTOP" and the soldier is labeled "BLENDER SAVE CHANGES BEFORE CLOSING DIALOG"

I remember the days before @blender.org even had a "save before closing" :)

19.02.2026 14:51 ๐Ÿ‘ 3 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

I'm super pumped about this!

LLMs in scientific publishing have at times been a promethean tragic boon.
PlanYourScience.com feels like putting LLMs where they belong!

19.02.2026 14:44 ๐Ÿ‘ 1 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

i have no mouth and i must moan

19.02.2026 01:52 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
Preview
a man in a suit and tie is crying and says " look how they massacred my boy " Alt: "look how they massacred my boy" gif from the godfather
19.02.2026 00:34 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

Seems hard! Why do that when I can ask chatgpt to roll 64 dice??

18.02.2026 15:07 ๐Ÿ‘ 3 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

This is such a scourge of modern ML conferences too โ€” "I didn't quite know how to embed this object so I just asked an LLM to spit out 64 floating-point numbers"

18.02.2026 14:54 ๐Ÿ‘ 37 ๐Ÿ” 6 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0

but tbh it's kinda gross. like, it tastes rather delicious to me

17.02.2026 23:54 ๐Ÿ‘ 1 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

no you diโ€” oh wow, yes you did

17.02.2026 23:53 ๐Ÿ‘ 2 ๐Ÿ” 0 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0

thanks!!

17.02.2026 17:38 ๐Ÿ‘ 2 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

I know an amazing candidate for this... but i can't find a link to send to apply :) No form on that page!

17.02.2026 17:14 ๐Ÿ‘ 4 ๐Ÿ” 0 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0

If Bad Bunny can cover the history of Puerto Rico, colonialism, transatlantic slavery, hemispheric consciousness, as well as contemporary life and politics in under 14 minutes, you can do your 15- or 20-minute conference presentation with time to spare.

09.02.2026 23:56 ๐Ÿ‘ 3011 ๐Ÿ” 609 ๐Ÿ’ฌ 51 ๐Ÿ“Œ 86
Preview
Bluesky Map Interactive map of 3.4 million Bluesky users, visualised by their follower pattern.

I made a map of 3.4 million Bluesky users - see if you can find yourself!

bluesky-map.theo.io

I've seen some similar projects, but IMO this seems to better capture some of the fine-grained detail

08.02.2026 22:59 ๐Ÿ‘ 7209 ๐Ÿ” 2164 ๐Ÿ’ฌ 658 ๐Ÿ“Œ 4578
halftime show fromt eh supebowl showing a set on the field featuring a nyc bodega

halftime show fromt eh supebowl showing a set on the field featuring a nyc bodega

This kind of smart, walkable, mixed-use urbanism is illegal to build in most American cities.

09.02.2026 03:50 ๐Ÿ‘ 11837 ๐Ÿ” 1907 ๐Ÿ’ฌ 54 ๐Ÿ“Œ 36

me and my homies hanging out in the Super-Gentrified michelin star thirdwave coffee roaster 500 feet out into the hudson river

08.02.2026 18:50 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0