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Bryan Wright

@catselbow@fosstodon.org
mastodon 4.6.6
  • Open on fosstodon.org

I'm the IT manager for the UVa Physics Department. I have a PhD in physics, and used to do research in nuclear physics. I teach introductory programming to undergrads. Also, flies are underrated.

0 Followers
0 Following
33 Posts
Joined May 23, 2022
Web:
https://discovery.phys.virginia.edu/~bkw1a/
Book:
https://tinyurl.com/practical-c
INaturalist:
https://www.inaturalist.org/observations?place_id=any&subview=grid&user_id=bryanwright&verifiable=any
Course:
https://discovery.phys.virginia.edu/classes/1660/2022/

Posts

Open post
catselbow
Bryan Wright @catselbow@fosstodon.org · Jul 29, 2026
Bryan Wright
@catselbow@fosstodon.org

I'm the IT manager for the UVa Physics Department. I have a PhD in physics, and used to do research in nuclear physics. I teach introductory programming to undergrads. Also, flies are underrated.

fosstodon.org
Replying to @handmade_ghost@sunny.garden
@handmade_ghost@sunny.garden @MiaMarkTwo@syzito.xyz I hear Appalling Scansion is opening for Glottis Exposure on their comeback tour.
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Open post
catselbow
Bryan Wright @catselbow@fosstodon.org · May 09, 2026
Bryan Wright
@catselbow@fosstodon.org

I'm the IT manager for the UVa Physics Department. I have a PhD in physics, and used to do research in nuclear physics. I teach introductory programming to undergrads. Also, flies are underrated.

fosstodon.org
Replying to @handmade_ghost@sunny.garden
@handmade_ghost@sunny.garden The honeysuckle monorail needs to be careful when it rolls over the goose-troll bridge!
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Open post
catselbow
Bryan Wright @catselbow@fosstodon.org · May 09, 2026
Bryan Wright
@catselbow@fosstodon.org

I'm the IT manager for the UVa Physics Department. I have a PhD in physics, and used to do research in nuclear physics. I teach introductory programming to undergrads. Also, flies are underrated.

fosstodon.org

A recently-emerged cicada, resting on a honeysuckle stem.

#bugs #hemiptera #Cicadas #insects #photography

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Open post
catselbow
Bryan Wright @catselbow@fosstodon.org · May 07, 2026
Bryan Wright
@catselbow@fosstodon.org

I'm the IT manager for the UVa Physics Department. I have a PhD in physics, and used to do research in nuclear physics. I teach introductory programming to undergrads. Also, flies are underrated.

fosstodon.org
Replying to @handmade_ghost@sunny.garden
@handmade_ghost@sunny.garden "...and Narcissus loved his reflection so much that he turned into a beautiful red-winged blackbird. The end."
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Open post
catselbow
Bryan Wright @catselbow@fosstodon.org · May 06, 2026
Bryan Wright
@catselbow@fosstodon.org

I'm the IT manager for the UVa Physics Department. I have a PhD in physics, and used to do research in nuclear physics. I teach introductory programming to undergrads. Also, flies are underrated.

fosstodon.org

A tiny, tiny bluet flower with a tinier, tinier insect visiting it.

#plants #flowers #bloomscrolling #Photography

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Open post
catselbow
Bryan Wright @catselbow@fosstodon.org · May 04, 2026
Bryan Wright
@catselbow@fosstodon.org

I'm the IT manager for the UVa Physics Department. I have a PhD in physics, and used to do research in nuclear physics. I teach introductory programming to undergrads. Also, flies are underrated.

fosstodon.org
Replying to @mtechman@mastodon.ie
@mtechman @handmade_ghost I look forward to it!
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Open post
catselbow
Bryan Wright @catselbow@fosstodon.org · May 04, 2026
Bryan Wright
@catselbow@fosstodon.org

I'm the IT manager for the UVa Physics Department. I have a PhD in physics, and used to do research in nuclear physics. I teach introductory programming to undergrads. Also, flies are underrated.

fosstodon.org
Replying to @handmade_ghost@sunny.garden
@handmade_ghost Hard hat and clipboard. Would have a pencil behind his ear, had he external ears.
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Open post
catselbow
Bryan Wright @catselbow@fosstodon.org · May 04, 2026
Bryan Wright
@catselbow@fosstodon.org

I'm the IT manager for the UVa Physics Department. I have a PhD in physics, and used to do research in nuclear physics. I teach introductory programming to undergrads. Also, flies are underrated.

fosstodon.org
Replying to @handmade_ghost@sunny.garden
@handmade_ghost The day heron is late for the morning shift.
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Open post
catselbow
Bryan Wright @catselbow@fosstodon.org · May 03, 2026
Bryan Wright
@catselbow@fosstodon.org

I'm the IT manager for the UVa Physics Department. I have a PhD in physics, and used to do research in nuclear physics. I teach introductory programming to undergrads. Also, flies are underrated.

fosstodon.org
Replying to @jalefkowit@vmst.io
@jalefkowit @CppGuy Can confirm. We have a Samsung stove that's a continual source of annoyance because of bad design decisions.
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Open post
catselbow
Bryan Wright @catselbow@fosstodon.org · May 02, 2026
Bryan Wright
@catselbow@fosstodon.org

I'm the IT manager for the UVa Physics Department. I have a PhD in physics, and used to do research in nuclear physics. I teach introductory programming to undergrads. Also, flies are underrated.

fosstodon.org
Replying to @handmade_ghost@sunny.garden
@handmade_ghost Comparing, in my head, with one of those illustrations of evolution that shows a line of walking figures starting with a shrew and ending with a guy in a business suit and a fedora. "Meanwhile, the pelicans were like, La-dee-da-dee-da."
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Open post
catselbow
Bryan Wright @catselbow@fosstodon.org · May 01, 2026
Bryan Wright
@catselbow@fosstodon.org

I'm the IT manager for the UVa Physics Department. I have a PhD in physics, and used to do research in nuclear physics. I teach introductory programming to undergrads. Also, flies are underrated.

fosstodon.org
Replying to @alicemcalicepants@ohai.social
@alicemcalicepants @frauxirah @piiabartos Windows still has a limit of 256 characters for a file's path (directory+name). You can create files that exceed that, but then they're inaccessible until you shorten the path. I regularly see this in our accounting office, where they make folders with names like "Professor Joe Schmoe, August 2020 - grant numer 123456789 - provisional DO NOT USE THIS ONE version 7", nested several layers deep.
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Open post
catselbow
Bryan Wright @catselbow@fosstodon.org · Apr 25, 2026
Bryan Wright
@catselbow@fosstodon.org

I'm the IT manager for the UVa Physics Department. I have a PhD in physics, and used to do research in nuclear physics. I teach introductory programming to undergrads. Also, flies are underrated.

fosstodon.org
Replying to @mariekung@growers.social
@mariekung@growers.social It's unbelievable how much work the beavers have done. They have an enormous impact on the landscape.
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Open post
catselbow
Bryan Wright @catselbow@fosstodon.org · Apr 25, 2026
Bryan Wright
@catselbow@fosstodon.org

I'm the IT manager for the UVa Physics Department. I have a PhD in physics, and used to do research in nuclear physics. I teach introductory programming to undergrads. Also, flies are underrated.

fosstodon.org

The beavers have been busy in our creek! They've built four dams now, each of them a lovely bit of engineering.

The frogs are enjoying this growing wetland. There are thousands of tadpoles wriggling about. Possibly they're hatching from eggs inside the jelly-like blobs we see in the mud beside the creek?

#beavers #frogs #amphibians #photography

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Open post
catselbow
Bryan Wright @catselbow@fosstodon.org · Apr 24, 2026
Bryan Wright
@catselbow@fosstodon.org

I'm the IT manager for the UVa Physics Department. I have a PhD in physics, and used to do research in nuclear physics. I teach introductory programming to undergrads. Also, flies are underrated.

fosstodon.org

I've been playing around with making psychedelic visualizations of the Recaman sequence, using Alex Bellos' method (https://www.youtube.com/watch?v=FGC5TdIiT9U). Here are the first 100 numbers in the sequence.

Starting with n_0=0, each n_i = n_i-1 - i, unless that would give a negative number OR a number that's already been seen. In those cases, n_i = n_i-1 + i. It's not known whether the sequence hits all positive integers eventually.

In the picture, semicircles show the jumps between successive numbers.
#math

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Open post
catselbow
Bryan Wright @catselbow@fosstodon.org · Apr 22, 2026
Bryan Wright
@catselbow@fosstodon.org

I'm the IT manager for the UVa Physics Department. I have a PhD in physics, and used to do research in nuclear physics. I teach introductory programming to undergrads. Also, flies are underrated.

fosstodon.org
Replying to @ranjit@friend.camp
@ranjit Wallace Stevens has a jar on a hill in Tennessee.
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Open post
catselbow
Bryan Wright @catselbow@fosstodon.org · Apr 22, 2026
Bryan Wright
@catselbow@fosstodon.org

I'm the IT manager for the UVa Physics Department. I have a PhD in physics, and used to do research in nuclear physics. I teach introductory programming to undergrads. Also, flies are underrated.

fosstodon.org
Replying to @handmade_ghost@sunny.garden
@handmade_ghost I love the little speckled wing!
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Open post
catselbow
Bryan Wright @catselbow@fosstodon.org · Apr 21, 2026
Bryan Wright
@catselbow@fosstodon.org

I'm the IT manager for the UVa Physics Department. I have a PhD in physics, and used to do research in nuclear physics. I teach introductory programming to undergrads. Also, flies are underrated.

fosstodon.org

We went for a walk by the Rivanna on Sunday. There were many large patches of mayapples (Podophyllum peltatum) along the shady trail. Most of the plants have a single broad leaf on an upright stalk, like a serrated umbrella, but occasional plants have two diverging umbrellas with a blossom emerging between them.

#plants #photography

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Open post
catselbow
Bryan Wright @catselbow@fosstodon.org · Apr 20, 2026
Bryan Wright
@catselbow@fosstodon.org

I'm the IT manager for the UVa Physics Department. I have a PhD in physics, and used to do research in nuclear physics. I teach introductory programming to undergrads. Also, flies are underrated.

fosstodon.org

A poor little stilt bug who's lost one stilt, sitting on a garlic mustard blossom.

#insects #hemiptera #arthropods #photography

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Open post
catselbow
Bryan Wright @catselbow@fosstodon.org · Apr 20, 2026
Bryan Wright
@catselbow@fosstodon.org

I'm the IT manager for the UVa Physics Department. I have a PhD in physics, and used to do research in nuclear physics. I teach introductory programming to undergrads. Also, flies are underrated.

fosstodon.org
Replying to @futurebird@sauropods.win
@futurebird @henryseg Tetrahedron <-> Tetrahedron
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Open post
catselbow
Bryan Wright @catselbow@fosstodon.org · Apr 19, 2026
Bryan Wright
@catselbow@fosstodon.org

I'm the IT manager for the UVa Physics Department. I have a PhD in physics, and used to do research in nuclear physics. I teach introductory programming to undergrads. Also, flies are underrated.

fosstodon.org
Replying to @handmade_ghost@sunny.garden
@handmade_ghost Goslings always look sleeeeeepy. "Mooooom! I don't waaaaant to go to school today."
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Open post
catselbow
Bryan Wright @catselbow@fosstodon.org · Apr 18, 2026
Bryan Wright
@catselbow@fosstodon.org

I'm the IT manager for the UVa Physics Department. I have a PhD in physics, and used to do research in nuclear physics. I teach introductory programming to undergrads. Also, flies are underrated.

fosstodon.org
Replying to @handmade_ghost@sunny.garden
@handmade_ghost@sunny.garden This is perfect
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Open post
catselbow
Bryan Wright @catselbow@fosstodon.org · Apr 17, 2026
Bryan Wright
@catselbow@fosstodon.org

I'm the IT manager for the UVa Physics Department. I have a PhD in physics, and used to do research in nuclear physics. I teach introductory programming to undergrads. Also, flies are underrated.

fosstodon.org
Replying to @handmade_ghost@sunny.garden
@handmade_ghost They were going to play duck, duck, goose, but the goose had a scheduling conflict. The cormorant is filling in.
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Open post
catselbow
Bryan Wright @catselbow@fosstodon.org · Mar 28, 2026
Bryan Wright
@catselbow@fosstodon.org

I'm the IT manager for the UVa Physics Department. I have a PhD in physics, and used to do research in nuclear physics. I teach introductory programming to undergrads. Also, flies are underrated.

fosstodon.org

We went to a #NoKings rally today in the small town of Orange, in rural Virginia. My guess is that there were a couple of hundred people there. This is a red town in a red county, but the vast majority of the cars passing by were supportive.

These public displays are important in places like that. They show the protesters and the sympathetic people driving by that we're not alone.

When a driver showed disapproval I thought "There's only one of you. Look at all of us."

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Open post
catselbow
Bryan Wright @catselbow@fosstodon.org · Mar 26, 2026
Bryan Wright
@catselbow@fosstodon.org

I'm the IT manager for the UVa Physics Department. I have a PhD in physics, and used to do research in nuclear physics. I teach introductory programming to undergrads. Also, flies are underrated.

fosstodon.org
Replying to @handmade_ghost@sunny.garden
@handmade_ghost I'm one of those lazy 21st-Century people who lets his family know that dinner's ready by sending them a text message. The messaging app sits right next to the Tusky mastodon app on my phone, and I frequently mistake one for the other. All of which is to say, if everyone on mastodon ever gets a post saying "Dinner!" you're all welcome to come.
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Open post
catselbow
Bryan Wright @catselbow@fosstodon.org · Feb 16, 2026
Bryan Wright
@catselbow@fosstodon.org

I'm the IT manager for the UVa Physics Department. I have a PhD in physics, and used to do research in nuclear physics. I teach introductory programming to undergrads. Also, flies are underrated.

fosstodon.org

You might not be aware, but The Internet Archive has a huge collection of "pulp"* magazines. I've been reading some old issues of Fantasy & Science Fiction.

https://archive.org/details/pulpmagazinearchive

* I'm not sure all of these fit everybody's definition of a "pulp", but it's a fun collection no matter what you call them.

#books

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Open post
catselbow
Bryan Wright @catselbow@fosstodon.org · Jan 24, 2026
Bryan Wright
@catselbow@fosstodon.org

I'm the IT manager for the UVa Physics Department. I have a PhD in physics, and used to do research in nuclear physics. I teach introductory programming to undergrads. Also, flies are underrated.

fosstodon.org
Replying to @TashTaylor@sauropods.win
@TashTaylor Not an answer to your question, but have you seen Alex Dainis's ongoing series of youtube shorts where she's taste-testing every amino acid? https://m.youtube.com/@AlexDainisPhD/shorts
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Open post
catselbow
Bryan Wright @catselbow@fosstodon.org · Jan 19, 2026
Bryan Wright
@catselbow@fosstodon.org

I'm the IT manager for the UVa Physics Department. I have a PhD in physics, and used to do research in nuclear physics. I teach introductory programming to undergrads. Also, flies are underrated.

fosstodon.org
Replying to @freyablekman@fediscience.org
@freyablekman@fediscience.org @afewbugs@social.coop @cinebox@masto.hackers.town @nachtet@norden.social Future headline: "Dark matter particles finally detected by researcher's nail polish"
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Open post
catselbow
Bryan Wright @catselbow@fosstodon.org · Jan 15, 2026
Bryan Wright
@catselbow@fosstodon.org

I'm the IT manager for the UVa Physics Department. I have a PhD in physics, and used to do research in nuclear physics. I teach introductory programming to undergrads. Also, flies are underrated.

fosstodon.org
Replying to @futurebird@sauropods.win
@futurebird@sauropods.win Introduce them to 10-adic numbers, where there's more than one zero.
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Open post
catselbow
Bryan Wright @catselbow@fosstodon.org · Dec 20, 2025
Bryan Wright
@catselbow@fosstodon.org

I'm the IT manager for the UVa Physics Department. I have a PhD in physics, and used to do research in nuclear physics. I teach introductory programming to undergrads. Also, flies are underrated.

fosstodon.org
Replying to @joomy@functional.cafe
@joomy@functional.cafe Imagining a story in which a corrupt customs officer snips off a bit of each of these valuable tapes ("They'll never miss it!") and stashes it in a box, hoping to someday be rich.
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Open post
catselbow
Bryan Wright @catselbow@fosstodon.org · Apr 15, 2025
Bryan Wright
@catselbow@fosstodon.org

I'm the IT manager for the UVa Physics Department. I have a PhD in physics, and used to do research in nuclear physics. I teach introductory programming to undergrads. Also, flies are underrated.

fosstodon.org
Replying to @fivetonsflax@tilde.zone
@fivetonsflax They're C programmers. Indexes are zero-based.
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Open post
catselbow
Bryan Wright @catselbow@fosstodon.org · Jan 01, 2025
Bryan Wright
@catselbow@fosstodon.org

I'm the IT manager for the UVa Physics Department. I have a PhD in physics, and used to do research in nuclear physics. I teach introductory programming to undergrads. Also, flies are underrated.

fosstodon.org
Replying to @pfsmet@mastodon.social
@pfsmet@mastodon.social Don't forget the first term: 0^3
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Open post
catselbow
Bryan Wright @catselbow@fosstodon.org · Aug 06, 2023
Bryan Wright
@catselbow@fosstodon.org

I'm the IT manager for the UVa Physics Department. I have a PhD in physics, and used to do research in nuclear physics. I teach introductory programming to undergrads. Also, flies are underrated.

fosstodon.org
Replying to @dramypsyd@ohai.social
@dramypsyd@ohai.social Ages when you're perfect: 6, 28, 496, 8128, 33550336,... I know the 6 and 28 are true from experience. Waiting to test the others.
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Open post
catselbow
Bryan Wright @catselbow@fosstodon.org · May 12, 2023
Bryan Wright
@catselbow@fosstodon.org

I'm the IT manager for the UVa Physics Department. I have a PhD in physics, and used to do research in nuclear physics. I teach introductory programming to undergrads. Also, flies are underrated.

fosstodon.org
Replying to @design_law@mastodon.social
@design_law@mastodon.social By clicking a star, I cause a little squirt of neurotransmitters inside the brain of someone potentially halfway around the world. What could be more significant than that?
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