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Julian Mak

@jmak1020

Applied mathematician / fluid dynamicist focusing on the ocean, plays a lot with computers | 😺s dominate my feed (more at julianmak.github.io)

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16.11.2024
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Latest posts by Julian Mak @jmak1020

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Apply for a doctoral position at the SEAL polar research school Doctoral positions are now available at the national polar research school SEAL - School of Excellence in Arctic and Antarctic Learning. The research school is funded by the Swedish Research Council a...

Come to Sweden! We are kicking off the new Swedish research school in Polar Science this summer, and under that umbrella there are currently a number of PhD positions announced (more on the way). Read more, and apply, here:

www.gu.se/en/seal/appl...

Shares = eternal karma
🌊

04.03.2026 07:39 πŸ‘ 11 πŸ” 12 πŸ’¬ 0 πŸ“Œ 0
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Recently published in Fafnir - the Nordic Journal of Science Fiction and Fantasy: "Climate Models as a Retroactive and Exploratory World-building Tool" fafnir.journal.fi/article/view...

Thanks to
@johnfocook.bsky.social @climatedann.bsky.social and Alex and Michael Farnsworth.

26.02.2026 08:33 πŸ‘ 33 πŸ” 8 πŸ’¬ 2 πŸ“Œ 2
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Optics of the week: Miffy

11.02.2026 04:20 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
Study@SJTU - Shanghai Jiao Tong University

In July, I will be teaching in Shanghai at SJTU for their UN Sustainable Development Goals summer school. 9 summer courses are available suitable for any interested students. I will co-teach "The marine carbon pump jigsaw: science, sustainability and management"

global.sjtu.edu.cn/en/study-sjt...

31.01.2026 05:32 πŸ‘ 1 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0
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#Drunk of the week: FaFa 🌻🌸

16.01.2026 14:35 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Cat of the week: friendly guy 😸

27.12.2025 08:29 πŸ‘ 2 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

There I thought I might actually be able to avoid #MariahCarey this year…thanks #NaritaAirport

15.12.2025 04:33 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

Oh that’s pretty cool. I was thinking the above into a postcard or a sticker of some sort, but this one would be a great thing for promotion purposes.

08.12.2025 11:30 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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I think Andrew C showed me that before… Is it like a visualisation on an unwrapped dice like the below, or a cube in 3d space? Either way I think I know how that could be done (because it’s basically an inverse of what you would do with native ECCO data).

08.12.2025 03:53 πŸ‘ 1 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0

Surface current processed from the @noc.ac.uk NEMO ORCA0083-N01 outputs, available on the JASMIN service.

07.12.2025 07:38 πŸ‘ 3 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0
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Swirly swirly #cartopy #spilhaus #python

07.12.2025 07:33 πŸ‘ 61 πŸ” 19 πŸ’¬ 4 πŸ“Œ 9
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To be tidied/sped up and maybe animated (need to see where the computational bottlenecks are)

#cartopy #nemo

05.12.2025 08:02 πŸ‘ 4 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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#distortion of the week: FaFa

24.11.2025 15:31 πŸ‘ 2 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Stinkeye of the week: Miffy + FaFa πŸ‘€

06.11.2025 04:24 πŸ‘ 2 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
Dmitri Tymoczko

Dmitri (who might be @tymoczko.bsky.social) is the author of a couple of books, "A Geometry of Music" and "Tonality: A User's Manual." His web site is full of apps and other goodies.

dmitri.mycpanel.princeton.edu/index.html

20.10.2025 11:49 πŸ‘ 19 πŸ” 3 πŸ’¬ 1 πŸ“Œ 0
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β€œKhajit has the shoe if you have the coin” πŸ˜ΎπŸ’°

19.10.2025 13:16 πŸ‘ 2 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0
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?

15.10.2025 06:34 πŸ‘ 1 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0
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Nonmodal growth and optimal perturbations in magnetohydrodynamic shear flows In astrophysical shear flows, the Kelvin-Helmholtz (KH) instability is generally suppressed by magnetic tension provided a sufficiently strong streamwise magnetic field. This is often used to infer up...

Hey astrophysicists, a presence (absence) of KH billows in some astrophysical shear flow doesn't always imply a lower (upper) bound on the local magnetic field strength! See arxiv.org/abs/2510.031...

06.10.2025 15:10 πŸ‘ 5 πŸ” 2 πŸ’¬ 1 πŸ“Œ 0
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Closeups of the week: Miffy & FaFa

05.10.2025 01:00 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

WSINDy

05.10.2025 00:59 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Minor upsides to insomnia (and some minor coding wins at 5am...) #zzz

11.09.2025 21:44 πŸ‘ 3 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0
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An extension of the 3D Lorenz model under the Gay–Lussac approximation In this work, we explore a class of extensions to the 3D Lorenz (3DL) system by considering an alternative incompressible natural convection model. Famously, th

Been thinking about forced convection a bunch and can only recommend Chaos for being both kind to my junior and shockingly quick about it. pubs.aip.org/aip/cha/arti...

06.09.2025 04:07 πŸ‘ 5 πŸ” 1 πŸ’¬ 1 πŸ“Œ 0
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Thinking #cat of the day: FaFa 🌸🌼

23.08.2025 06:55 πŸ‘ 2 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Querying managers of the week: Miffy + FaFa

14.08.2025 10:32 πŸ‘ 3 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Argument of the week: Miffy + FaFa 🌚🌝

30.07.2025 15:14 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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#ManekiNeko of the week: Miffy

28.07.2025 14:53 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
Title card for Mindscape episode with David Tong.

Title card for Mindscape episode with David Tong.

Mindscape 321 | David Tong on Open Questions in Quantum Field Theory. I *know* you've been worried about why the electroweak theory cannot be defined on discrete spacetime. #MindscapePodcast

www.preposterousuniverse.com/podcast/2025...

14.07.2025 12:16 πŸ‘ 78 πŸ” 8 πŸ’¬ 6 πŸ“Œ 1
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Just for fun: reconstruction of an #IKEA manager in an #EigenCat basis 🦈🐱

13.07.2025 09:48 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

My legs definitely thanked #QatarAirways for that part trip. My sanity with the expenses claim, not so much.

05.07.2025 12:48 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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[20 hr travel with #QatarAirlines, options to upgrade to business]

Me: ...nah because $$ and have to justifying expenses
1st leg: feel free to choose any of the rows
2nd leg: ticket issue,
"sorry sir we would like to put you in business class please take this new ticket"

Don't mind if I do 🌚🌚🌚

04.07.2025 15:15 πŸ‘ 2 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0