@jcjray
Conceptual biology. Multiomics, information, and manifold learning. Ex-academic. Also here for LOLs, pols, and geometric varietals. DAW jockey and 1.5/10 guitarist. I like trains. I obviously do not speak for or on behalf of my employer.
Nocturnal scene of the depot at Guadalajara, Mexico with two passenger trains.
The Alta California Railway meets Nacionales De Mexico at Guadalajara, commissioned by @interurbanera.bsky.social . (Not gonna lie, this has to be one of the best things I've ever done)
If any of you model railroad guys want a portrait of your finest (or grubbiest) motive power, drop us a line!
Excited to share this preprint that describes my latest work on using GPUs to accelerate processing of RNA-seq data.
The title says it all: "RNA-seq analysis in seconds using GPUs" now on biorxiv www.biorxiv.org/content/10.6... and github github.com/pachterlab/k...
Figure 1 shows they key result
RNA-seq analysis in seconds using GPUs https://www.biorxiv.org/content/10.64898/2026.03.04.709526v1
Railroad Tycoon II was something else.
We're excited to welcome back engineer, author, and railway champion @garethdennis.uk for another webinar on March 6 - this time to tackle the challenges of U.S. railroads.
Come prepared with your questions and be a part of the conversation with us!
Your last saved meme is your moral philosophy
What we could have had if we hadn’t spent $8 trillion on war since 2001.
Completed HO scale USRA Ann Arbor box car. Side view.
Completed HO scale USRA Ann Arbor box car. B end view.
Completed HO scale USRA Ann Arbor box car. A end view.
Completed HO scale USRA Ann Arbor box car. Side view.
This concludes construction, painting, and weathering of the #AnnArbor #USRABuild from Westerfield kit #3319. It is now ready for revenue service. #HOScale #ModelRailroad #ModelRailway
Guys it’s fine if you get rid of one supreme leader another one spawns and you keep doing it til you get one with stats you like
Completed HO scale USRA Ann Arbor box car. Side view.
Completed HO scale USRA Ann Arbor box car. B end view.
Completed HO scale USRA Ann Arbor box car. A end view.
Completed HO scale USRA Ann Arbor box car. Side view.
This concludes construction, painting, and weathering of the #AnnArbor #USRABuild from Westerfield kit #3319. It is now ready for revenue service. #HOScale #ModelRailroad #ModelRailway
HO scale box car in a paintbooth having been painted with Mr. Color Dark Earth and Mr. Color thinner.
Lastly, a dusting by airbrush of Mr. Color Dark Earth with non-leveling thinner (so that it dries quickly).
Four tiny squares of paper on glass having been painted with Vallejo Model Color White 70.951.
Last details. Paperwork/placards for the placard boards. A note on terminology: blog.resincarworks.com/railroad-pla... #HOScale #ModelRailroad #ModelRailway #USRABuild
the longer I look the worse it gets
HO scale box car roof before color modulation, with a light brown color applied at the top of the roof panels.
HO scale box car with light brown oils blended on the roof. The effect is to flatten the roof panels and make them slightly chalky, which visually unifies them with the roofwalk.
Here is the roof color modulation. The walkway has chalky white, which I want to spread to the roof panels to make the textures click. The color is a mix of white, transparent red earth, and van dyke brown. #HOScale #ModelRailroad #ModelRailway #USRABuild
HO scale box car next to a colored pencil that reads "Warmgrau II Warm grey II 271 ***".
After doing some color modulation on the roof to blend in the walkway better, we are nearly complete. The next step is to (lightly!) make the areas where people would climb look worn with a colored pencil - Warmgrau II. #HOScale #ModelRailroad #ModelRailway #USRABuild
End of an HO scale box car with the tackboard a darker, more modulated color than in the previous post.
After darkening and modulating the panels they look more natural - and will blend in more after a matte finish. #HOScale #ModelRailroad #ModelRailway #USRABuild
Old color photo of the end of a box car, showing the worn and used up tackboard.
HO scale box car, with the tackboard painted a woody color.
Images with alt text. #HOScale #ModelRailroad #ModelRailway #USRABuild
After some fine touch-up work, let's finish the details. Here, using oils as a chipping effect on the tackboards. Trying to approximate the only color photo of a worn, box car red tackboard I can find, from prototopics.blogspot.com/2018/05/the-... #HOScale #ModelRailroad #ModelRailway #USRABuild
why did the classicist grade with a fountain pen?
so she could give her students a wine-dark C.
If your Naomi be Klein, oh man also oof.
Three panels of oil weathering the door of an HO scale box car. The top panel shows the oils applied but unblended. The top half of the door has both raw sienna and Mars Red Light, while the bottom half only has raw sienna. The center panel shows the oils being blended with a brush. The bottom panel shows the door after blending while still wet. It will take time to dry.
Door weathering. There are two main panels. The top is getting Mars Red Light to make it slightly stand out from the darker lower panel. #HOScale #ModelRailroad #ModelRailway #USRABuild
Weathering the diagonal walkways of an HO scale box car with white oil paint. Three rows show "Diagonal Walkways Before", "During Oil Application", and "After Oil Blending".
Revisiting the roof walks. I love the way the transparent white oil paint layer creates a raw wood chipping effect. I want the diagonal crosswalks to have the same, but more. #HOScale #ModelRailroad #ModelRailway #USRABuild
Three panels showing the end of an HO scale box car being weathered with oil paints. In the first panel, only panel liner has been applied. In the second panel, the tops of the steel ribs have been painted with Mars Red Light. In the third panel, the paint has been blended.
End weathering. The previously applied panel liner imparts a dark tone between the steel ribs. By highlighting just the top of the ribs, we create a contrast with the darker tones: gradients that increase visual interest in a monochromatic object. #HOScale #ModelRailroad #ModelRailway #USRABuild
Three panels of oil weathering the door of an HO scale box car. The top panel shows the oils applied but unblended. The top half of the door has both raw sienna and Mars Red Light, while the bottom half only has raw sienna. The center panel shows the oils being blended with a brush. The bottom panel shows the door after blending while still wet. It will take time to dry.
Door weathering. There are two main panels. The top is getting Mars Red Light to make it slightly stand out from the darker lower panel. #HOScale #ModelRailroad #ModelRailway #USRABuild
Composite progress picture of treating roof panels with oil paint weathering on an HO scale box car.
Finishing the roof has been a zen experience. Here is the process across the roof panels on the bottom of the photos. As I got more of a rhythm, I was able to go back to doing multiple at a time. #HOScale #ModelRailroad #ModelRailway #USRABuild
Composite photograph showing 3-4 roof panels being oil paint weathered at a time on an HO scale box car.
Then, flipping it to do the other half of the roof. Here I actually show a panel mid-blending to demonstrate how I do it: with a diagonal / chevron shape moving out from the roofwalk. There should be more raw umber than Mars Red Light. #HOScale #ModelRailroad #ModelRailway #USRABuild
Composite progress picture of treating roof panels with oil paint weathering on an HO scale box car.
Finishing the roof has been a zen experience. Here is the process across the roof panels on the bottom of the photos. As I got more of a rhythm, I was able to go back to doing multiple at a time. #HOScale #ModelRailroad #ModelRailway #USRABuild
Two bottles of oil paint next to the palette: Windsor & Newton Raw Umber, and Williamsburg Mars Red Light.
HO scale box car with oil paints applied to the roof.
I wanted to revisit the roof with a better strategy. Now I am using two colors: a dark brown (raw umber) for shadows and an iron oxide red (Williamsburg Mars Red Light: goldenartistcolors.com/products/wil...) for highlights. #HOScale #ModelRailroad #ModelRailway #USRABuild
Cardboard palette with a variety of earthy oil paints, each color with a fresh dollop of oil paint that will be ready to use by tomorrow.
The oil palette was getting a little too dry, so let's freshen it up for use tomorrow. #HOScale #ModelRailroad #ModelRailway #USRABuild
HO scale box car with Mars Red Light oil paint in a chevron in the middle of a roof panel, and raw umber outlining the panel. This shows before blending with a short-bristled paintbrush and a small amount of thinner.
HO scale box car showing the blended panel. Note the improved appearance of the newly treated panels on the lower left compared to the untreated on top.
And thus I continue, panel-by-panel, slowly blending the contrasting colors. #HOScale #ModelRailroad #ModelRailway #USRABuild