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Brian T Jacobs

@btjak.es.bsky.social

Graphics for cyberspace https://btjak.es

193 Followers  |  624 Following  |  28 Posts  |  Joined: 27.04.2023  |  2.1687

Latest posts by btjak.es on Bluesky

Spoiler alert, great maps and words from @rsimmon.bsky.social

05.09.2025 01:48 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0

It's like my hometown dentist Lou Smoler

β€’ β€œCartesian” comes directly from Cartesius, the Latinized name of RenΓ© Descartes.
β€’ β€œCartography” is rooted in the Latin charta and Greek -graphΔ“, concerning maps and writing β€” with no connection to Descartes’s name or mathematical concepts.

29.08.2025 14:20 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
Mapgl lasso search

Mapgl lasso search

Mango lassi is great too

11.08.2025 18:14 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
Thick black line is the centerline of the Beni River in Bolivia. Circles that are tangent to the centerline represent the radius of curvature ag the location. Smaller circles = higher curvatures.

Thick black line is the centerline of the Beni River in Bolivia. Circles that are tangent to the centerline represent the radius of curvature ag the location. Smaller circles = higher curvatures.

In this version the circles are colored according to the curvature; brighter colors = higher curvatures.

In this version the circles are colored according to the curvature; brighter colors = higher curvatures.

Post image Post image

I have been experimenting with different ways of visualizing the curvature of meandering rivers. Plotting curvature in the context of the meanders themselves helps QC-ing the curvature data βš’οΈπŸ§ͺ

08.08.2025 22:12 β€” πŸ‘ 160    πŸ” 32    πŸ’¬ 12    πŸ“Œ 2

Same here. Uniquely useful, so expensive

08.08.2025 17:21 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
Preview
How We Made "Billions of Birds Migrate" National Geographic's web-based takeoff on the classic bird migration print poster

Having some GOES NetCDF flashbacks... this article is getting outta date but there's a few resources linked here in the Processing GOES section source.opennews.org/articles/how...

23.07.2025 22:47 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0

Geospatial pareidolia: when you stare at maps all day, things like the eastern seaboard appear in coral shadows

21.05.2025 17:15 β€” πŸ‘ 2    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
A slightly stylized screenshot of the survey.

A slightly stylized screenshot of the survey.

The Alliance of Freelance Cartographers needs your help! By taking our short annual survey, you strengthen your #cartography community. This survey is for anyone (globally) who did any amount of freelance mapping last year (even a little). forms.gle/VaZqPpxeB8Qu...

Please help spread this widely!

02.04.2025 16:30 β€” πŸ‘ 16    πŸ” 16    πŸ’¬ 3    πŸ“Œ 7
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I wrote a short interactive articleπŸ‘†

It uses simulations to demonstrate how different cardiac arrhythmias can develop.

Try it out! (It has defibrillators ⚑️)

jenevoldsen.com/posts/excitable-cells

#medsky #cardiosky #cccsky #emimcc

20.02.2025 12:23 β€” πŸ‘ 45    πŸ” 19    πŸ’¬ 7    πŸ“Œ 5

Can you also post the room with your PowerBook G3 duowide etc

15.10.2023 20:37 β€” πŸ‘ 2    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
Full disc of western hemisphere of earth, eclipse over north america

Full disc of western hemisphere of earth, eclipse over north america

Full disc of western hemisphere of earth, eclipse over central and northern south america

Full disc of western hemisphere of earth, eclipse over central and northern south america

Yesterday's eclipse captured in 2 frames about 2 hours apart, from the eyes of DSCOVR's EPIC camera (epic.gsfc.nasa.gov) parked around Lagrange point L1. I've been working a lot with this data recently, project coming soon...

15.10.2023 20:10 β€” πŸ‘ 4    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0

Today, Doogie Typer is loaded up with Doogie's first entry, written on his 16th birthday in the pilot episode. He would have turned 50 today, just a tad younger than @nphstuff.bsky.social. Happy birthday Doogie.
πŸŽ‚βŒ¨οΈπŸ”Š btjak.es/doogie/

22.09.2023 00:10 β€” πŸ‘ 4    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
Illustration showing a Stegosaurus (brown with lighter stripes and spots) on a clearing of a dark Jurassic forest. To the right of the image there is s large ginkgo tree with three Hesperonithoides (a small feathered Troodontid dinosaur)

Illustration showing a Stegosaurus (brown with lighter stripes and spots) on a clearing of a dark Jurassic forest. To the right of the image there is s large ginkgo tree with three Hesperonithoides (a small feathered Troodontid dinosaur)

Cover illustration I did for the book β€œUltimate Dinosaurs: Stegosaurus” by the talented Professor Ben Garrod. The book is out today!
🐑 🎨 πŸ§ͺ #paleontology

14.09.2023 14:34 β€” πŸ‘ 119    πŸ” 33    πŸ’¬ 6    πŸ“Œ 1

Happy belated crab day

14.09.2023 19:51 β€” πŸ‘ 4    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0

Everything’s fine

03.09.2023 17:53 β€” πŸ‘ 4    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0

I can think of few things better to do on a holiday Sunday than wander through this meticulous 3-D reconstruction of Tenochtitlan at its height. tenochtitlan.thomaskole.nl (I particularly dig the overlays between modern Mexico City and Tenochtitlan as it was.)

03.09.2023 15:40 β€” πŸ‘ 28    πŸ” 9    πŸ’¬ 3    πŸ“Œ 3

Dream machine

25.08.2023 16:23 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0

To be fair, I’d be proud of such a β€˜shop effort

25.08.2023 14:16 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0

Mobile friendly

24.08.2023 18:23 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0

Another day, another amazing anatomy fact! πŸ§ͺ

Your teeth are joints.

They're a fibrous joints called dento-alveolar syndesmoses. Science speak for: pegs of tooth fit into jaw socket.

LOOSE teeth are bad right? Why's it a joint? Because a tiny bit of movement tells you how hard you're cronching!

21.08.2023 13:45 β€” πŸ‘ 20    πŸ” 5    πŸ’¬ 3    πŸ“Œ 1

All aboard the crustacean cruise ship

26.07.2023 22:54 β€” πŸ‘ 5    πŸ” 1    πŸ’¬ 0    πŸ“Œ 1

On the shores of the Rockies

26.07.2023 01:21 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0

Congrats to @lauren.rotatingsandwiches.com for winning the first Tiny Awards! rotatingsandwiches.com was chosen from over 300 nominees and publicly voted from 16 finalists as best representing the small, playful web. https://twitter.com/kleinkleinklein/status/1683822941895532545

25.07.2023 13:19 β€” πŸ‘ 103    πŸ” 14    πŸ’¬ 3    πŸ“Œ 1
This Neon World Is Inside Your Fruit
Use my link https://shortform.com/microcosmos to get a 25% discount and install Shortform AI using this link https://bit.ly/3NQRRfe to start learning more, f... This Neon World Is Inside Your Fruit

Obsessed with the colors ChloΓ© (Tardibabe on other socials) created with her microscope set-up πŸ§ͺ

https://www.youtube.com/watch?v=hfbuotMzo2U

24.07.2023 18:26 β€” πŸ‘ 5    πŸ” 2    πŸ’¬ 3    πŸ“Œ 0
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Summer sequel

12.07.2023 20:21 β€” πŸ‘ 4    πŸ” 1    πŸ’¬ 0    πŸ“Œ 0

Fixed a dang bug

03.07.2023 15:51 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0

h/t guy fieri

18.05.2023 14:52 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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cute lil guy in my salad

17.05.2023 21:40 β€” πŸ‘ 134    πŸ” 22    πŸ’¬ 7    πŸ“Œ 2

I love her

18.05.2023 13:10 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0

Earth alien

18.05.2023 12:19 β€” πŸ‘ 3    πŸ” 2    πŸ’¬ 1    πŸ“Œ 0

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