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@leftsidestory@mstdn.social
2026-02-26 00:30:04

Urban Demons VII 👻
城市鬼魂 VII 👻
📷 Zeiss IKON Super Ikonta 533/16
🎞️ Ilford HP5 400 Plus, expired 1993
If you like my work, buy me a coffee from PayPal paypal.com/paypalme/ydcdingsite

Ilford HP5 Plus 400 (6x6) English Alt Text A black‑and‑white photo of a tall street lamp with an old‑fashioned design. The lamp has a decorative metal top shaped like a scalloped dome and glass panels around the light. Several cables run from the pole outward in different directions. The sky behind it is cloudy and empty, giving the scene a quiet, nostalgic feeling. A faint outline of another pole or structure appears in the distance. 中文替代文字 一张黑白照片，画面中是一盏高高的老式路灯。灯罩呈波浪形金属顶，四周是玻璃面板。电线从灯杆向外延伸。背景是…
Ilford HP5 Plus 400 (6x6) English Alt Text A black‑and‑white image of a traditional Chinese bell tower. The structure features layered, upturned eaves and intricate wooden carvings. It stands on a stone platform with a decorative railing. A plaque on the stone wall bears Chinese characters meaning “Bell Tower.” 中文替代文字 一张黑白照片，呈现一座传统中国钟楼。建筑有多层飞檐和精致木雕，立于石基之上，周围有装饰性栏杆。石墙上的牌匾写着“钟楼”二字。
Ilford HP5 Plus 400 (6x6) English Alt Text A black‑and‑white photograph of an ornate building combining Chinese and Western architectural styles. The entrance is framed by carved columns and arches, and two statues stand on a balcony above it. The roof has traditional Chinese tiles and decorative ridges. Chinese characters above the entrance and balcony indicate themes related to theater or drama. 中文替代文字 一张黑白照片，展示一座融合中式与西式元素的华丽建筑。入口由雕刻柱子和拱门围成，上方阳台上立着两尊雕像。屋顶为传统中式瓦片和装饰脊。入口和阳台处的中文文字与戏剧相关。
Ilford HP5 Plus 400 (6x6) English Alt Text A traditional Chinese-style building with a large, detailed dragon sculpture mounted above the entrance. The dragon appears to leap outward with its mouth open and claws extended. The building has curved roof tiles, hanging lanterns, and ornate wooden details. Chinese characters are displayed on signs near the entrance. 中文替代文字 一座传统中式建筑，入口上方有一条雕刻精细的大龙，张口伸爪，仿佛从屋檐跃出。屋顶是弯曲瓦片，门口挂着灯笼，木雕装饰繁复。入口处的牌匾和窗上可见中文文字。
@leftsidestory@mstdn.social
2026-02-24 00:30:01

Urban Demons V 👻
城市鬼魂 V 👻
📷 Nikon F4E
🎞️ Rollei RPX 400
If you like my work, buy me a coffee from PayPal #filmphotography

Rollei RPX 400 (FF) English Alt Text: A black-and-white photograph showing a traditional Chinese temple in the foreground. Its ornate rooftops curve upward with decorative details, representing religious and cultural heritage. Behind the temple, a modern high-rise building towers, symbolizing urban growth. A sign on the temple wall in Chinese warns: “Consequences are at your own risk. External vehicles are strictly prohibited. Religious site. Thank you for your cooperation.” The image captures…
Rollei RPX 400 (FF) English Alt Text: A photograph showing the contrast between old and new architecture. In the foreground, a traditional East Asian building with ornate, curved rooftops and intricate wooden carvings stands proudly. The roof ridges are decorated with small figurines and finials, emphasizing classical Chinese design. Behind this historic structure, tall modern skyscrapers rise with clean lines, glass windows, and geometric patterns. The juxtaposition highlights the coexistence…
Rollei RPX 400 (FF) English Alt Text: A black-and-white photograph of a large abstract metal sculpture in a public space. The sculpture is made of curved and twisted metal slats arranged in a looping, ribbon-like form, resembling a Möbius strip or roller coaster track. Supported by a sturdy frame, the structure conveys motion and complexity. In the background, residential buildings and trees frame the scene, contrasting the organic curves of the artwork with the rigid geometry of urban archite…
Rollei RPX 400 (FF) English Alt Text: A large, futuristic sculpture stands in front of a commercial building named Aqua City. The sculpture consists of two intertwined metallic loops with a reflective surface, resembling a dynamic ribbon. Behind it, the building’s glass facade features a diamond-shaped pattern and displays logos of international brands such as KFC and Prada. A decorative fence in the foreground carries a sign in Chinese, politely reminding visitors not to step on or climb. The…
@arXiv_csLG_bot@mastoxiv.page
2026-02-25 10:35:21

WeirNet: A Large-Scale 3D CFD Benchmark for Geometric Surrogate Modeling of Piano Key Weirs
Lisa L\"uddecke, Michael Hohmann, Sebastian Eilermann, Jan Tillmann-Mumm, Pezhman Pourabdollah, Mario Oertel, Oliver Niggemann
arxiv.org/abs/2602.20714 arxiv.org/pdf/2602.20714 arxiv.org/html/2602.20714
arXiv:2602.20714v1 Announce Type: new
Abstract: Reliable prediction of hydraulic performance is challenging for Piano Key Weir (PKW) design because discharge capacity depends on three-dimensional geometry and operating conditions. Surrogate models can accelerate hydraulic-structure design, but progress is limited by scarce large, well-documented datasets that jointly capture geometric variation, operating conditions, and functional performance. This study presents WeirNet, a large 3D CFD benchmark dataset for geometric surrogate modeling of PKWs. WeirNet contains 3,794 parametric, feasibility-constrained rectangular and trapezoidal PKW geometries, each scheduled at 19 discharge conditions using a consistent free-surface OpenFOAM workflow, resulting in 71,387 completed simulations that form the benchmark and with complete discharge coefficient labels. The dataset is released as multiple modalities compact parametric descriptors, watertight surface meshes and high-resolution point clouds together with standardized tasks and in-distribution and out-of-distribution splits. Representative surrogate families are benchmarked for discharge coefficient prediction. Tree-based regressors on parametric descriptors achieve the best overall accuracy, while point- and mesh-based models remain competitive and offer parameterization-agnostic inference. All surrogates evaluate in milliseconds per sample, providing orders-of-magnitude speedups over CFD runtimes. Out-of-distribution results identify geometry shift as the dominant failure mode compared to unseen discharge values, and data-efficiency experiments show diminishing returns beyond roughly 60% of the training data. By publicly releasing the dataset together with simulation setups and evaluation pipelines, WeirNet establishes a reproducible framework for data-driven hydraulic modeling and enables faster exploration of PKW designs during the early stages of hydraulic planning.
toXiv_bot_toot

@Techmeme@techhub.social
2026-03-25 13:46:12

Normal Computing, which uses AI to help chip companies design chips more efficiently, raised $50M led by Samsung Catalyst and says it has 5 top chip clients (Sharon Goldman/Fortune)
fortune.com/2026/03/25/normal-

Exclusive: Normal Computing raises $50M from Samsung Catalyst to tackle soaring AI chip costs and power demands
Part of a growing wave of startups rethinking how AI is computed, Normal Computing is betting on new architectures to move beyond GPUs.

@leftsidestory@mstdn.social
2026-02-22 01:06:50

Urban Demons III 👻
城市鬼魂 III 👻
📷 Nikon F4E
🎞️ Rollei RPX 400
If you like my work, buy me a coffee from PayPal #filmphotography

Rollei RPX 400 (FF) English Alt Text: A black-and-white photograph of a quiet urban street. A person sits alone on a stone bench near a tree, with a coffee cup placed beside them. They are focused on a mobile device, suggesting a moment of solitude or reflection. The background shows a brick wall and stone steps leading to a decorative doorway. Shadows from trees fall across the ground, creating patterns on the pavement. The atmosphere feels calm, contemplative, and still, capturing everyday li…
Rollei RPX 400 (FF) English Alt Text: A black-and-white photo of old double doors with cracked paint and worn glass panes. Graffiti decorates the surrounding walls: a jellyfish-like figure, a cat face with “meow” written beneath, and abstract shapes. One door features a floral vine design. Electrical wires run across the upper wall, and a small sign with Chinese characters is partly visible. Sunlight casts shadows across the tiled floor, highlighting the contrast between playful graffiti and th…
Rollei RPX 400 (FF) English Alt Text: A black-and-white photograph of a plant with broad, dark leaves. The plant stands in front of a reflective surface, likely a mirror, creating a symmetrical effect where the reflection mirrors the real plant. The blurred background emphasizes the leaves and their mirrored shapes. The composition highlights natural patterns, symmetry, and artistic balance, evoking a calm and contemplative mood. 中文替代文字： 这是一张黑白照片，画面主体是一株叶片宽大的植物。植物置于一面反射表面前，可能是镜子，形成对称效果，倒影与实物相…
Rollei RPX 400 (FF) English Alt Text: A brick wall with graffiti art in bold letters spelling “BLINK.” The “I” is stylized with a peace symbol inside it. The letters are painted in white with black outlines and shading, with paint drips visible below. A broken window sits above the graffiti, adding to the sense of urban decay. Smaller, less legible markings surround the main artwork. The scene conveys themes of rebellion, artistic expression, and the gritty texture of city life. 中文替代文字： 一面砖墙上…
@burger_jaap@mastodon.social
2026-04-16 19:20:58

Finally, Volkswagen is launching a V2G tariff in Germany. It is now scheduled for launch in Q4 2026.
Although Volkswagen was the first German car manufacturer to release bidirectional charging functionality in their vehicles, they are now behind BMW, Mercedes and Ford (whose EVs use VW technology) in terms of announcing an actual charger and tariff bundle.

An electric vehicle is plugged into a charging station against a wooden backdrop. Colorful lines suggest energy transfer. Text promotes a new energy transition initiative from Elli, mentioning V2G technology coming soon.
A white Volkswagen ID.4 electric vehicle is prominently displayed against a purple background. Smaller illustrations of various electric cars are scattered around, with the text "Electric vehicles based on the MEB platform" above.
An illustration featuring a DC BiDi Charger and a Smart Meter Gateway (SMGW). The charger is on the left with a sleek black design and an interface for controls. The SMGW, depicted on the right, is highlighted with a wireless symbol.
Graphic highlighting a "Bidirectional energy tariff" with "Volkswagen Naturstrom" prominently displayed, featuring a modern, tech-inspired design in shades of purple and green. An arrow points right, suggesting further information or action.
@aardrian@toot.cafe
2026-02-08 15:25:14

Last minute decision to go to philharmonic last night for Shostakovich. Was delighted with Miguel del Águila’s “Concierto en Tango” for cello (commissioned by BPO in 2014).
History: interlude.hk/the-less-classica

Balcony view of stage with tall, honey-colored wood walls with vertical lights behind the panels as they layer out from the back wall; the orchestra is getting settled on the stage.
@davej@dice.camp
2026-04-13 23:47:18

Stolen to add #AltText. mstdn.social/@GeriAQuin/116400

A post by h4ckedreality on Threads: “Trump attacked the Pope. Iran defended him. Let that land.” Beneath is a screenshot of a post from X/Twitter by Masoud Pezeshkian, President of Iran: “His Holiness Pope Leo XIV (@Pontifex), I condemn the insult to Your Excellency on behalf of the great nation of Iran, and declare that the desecration of Jesus, the prophet of peace and brotherhood, is not acceptable to any free person. I wish you glory by Allah.”
@Techmeme@techhub.social
2026-03-18 16:46:04

Sources: several tech companies, including OpenAI, are encouraging the DOD behind the scenes to back away from designating Anthropic a "supply chain risk" (Mike Isaac/New York Times)
nytimes.…

Silicon Valley Musters Behind-the-Scenes Support for Anthropic
Tech companies have been reluctant to directly confront Trump administration officials over their contract feud with the A.I. start-up.

@leftsidestory@mstdn.social
2026-02-23 00:30:06

Urban Demons IV 👻
城市鬼魂 IV 👻
📷 Zeiss IKON Super Ikonta 533/16
🎞️ Ilford HP5 400 Plus, expired 1993
If you like my work, buy me a coffee from PayPal paypal.com/paypalme/ydcdingsite

Ilford HP5 Plus 400 (6x6) Alt Text (English) A color image showing a traditional East Asian building in the foreground with ornate curved roofs and detailed decorative ridges. Behind it rises a tall modern high‑rise with a simple geometric design. The contrast highlights old and new architectural styles coexisting in the same urban space. Alt Text (Chinese) 一张彩色照片，前景是一座东亚传统建筑，屋顶弯曲精致，装饰细节丰富。背景是一栋现代高层建筑，线条简洁、几何感强。画面呈现传统与现代建筑在城市中并存的对比。
Ilford HP5 Plus 400 (6x6) Alt Text (English) A black‑and‑white photo of a large abstract metal sculpture in a city setting. The sculpture is made of circular and spiral shapes resembling a twisted ribbon, supported by metal frames. It sits among trees and bushes. In the background are tall office buildings and a street with moving vehicles, including a bus. Alt Text (Chinese) 一张黑白照片，主体是一座大型抽象金属雕塑，由圆形和螺旋形结构组成，像扭曲的金属带，由支架支撑。雕塑周围有树木和灌木。背景是高楼和有车辆经过的街道，包括一辆公交车。
Ilford HP5 Plus 400 (6x6) Alt Text (English) A black‑and‑white photo taken from a low angle, showing three tall residential buildings. Two stand in the foreground like symmetrical towers, while a third rises between them in the distance. The buildings have many windows and balconies. The sky is hazy, and the image includes grainy, textured effects. Alt Text (Chinese) 一张黑白照片，从低角度拍摄三栋高层住宅楼。前方两栋对称耸立，后方一栋位于中间更远处。建筑上布满窗户和阳台。天空灰白，画面带有颗粒和旧胶片般的纹理。
Ilford HP5 Plus 400 (6x6) Alt Text (English) A black‑and‑white photo of an outdoor sculpture featuring three winged female figures. They stand close together, lifting a large circular disc above their heads. Their wings and flowing garments create a sense of motion. Behind them are tall modern buildings and a curved architectural structure. The image has a vintage, film‑like grain. Alt Text (Chinese) 一张黑白照片，画面中有一座户外雕塑，由三位长着翅膀的女性形象组成。她们紧靠在一起，高举一个大型圆盘。人物的翅膀和飘动的衣饰呈现出动态感。背景是高楼与弧形的现代建筑。整体带有胶片质感。