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@andres4ny@social.ridetrans.it
2026-01-16 01:30:51

me: *low whistles*
me: "Damn, check out THOSE bollards!"
8yo: "What?"
me: "These metal things. they're nice, aren't they? No drivers parking on this sidewalk!"
8yo: *lays down on one*
8yo: "Yeah, they're good, I guess."
#SafeStreets

A manhattan street corner at night. It's fairly dark (what's up w/ the lack of lights??), but along the border of the sidewalk are some metal bollards that are rectangles on one side, and 5 sides on the other (one sloped side that you can lean on) on the other. They're spaced about 3ft apart, and they're probably 15" wide. One bollard basically divides the sidewalk in half.

Another angle of the bollards, this time taken FROM the street corner towards the end of the block. The bollards extend the entire length of the block, at least 30 metal bollards visible but you can't really see how many more go down due to distance and people walking on the sidewalk. The vertical side of the bollards face out towards the street, and then 45deg angled side faces towards the building.

Another shot taken from the street corner, this time facing the street and crosswalk. One bollard sits in the middle of the curb ramp top landing, which is absolutely an ADA violation. The ramp tactile mat also faces out towards the middle of the intersection rather than facing the crosswalks, but again - fuck disabled people, amirite?

But at least the bollards are nice!

@leftsidestory@mstdn.social
2026-01-16 00:30:00

Gloom & Bloom III ☁️🌺
黑暗绽放 III ☁️ 🌺
📷 Zeiss IKON Super Ikonta 533/16
🎞️ Lucky SHD 400
#filmphotography #Photography #blackandwhite

Lucky SHD 400 (6x6)

English Alt Text:
A black and white image of sculptural chairs arranged around a round table in an outdoor setting. The chairs have intertwining backrests and elongated legs, creating a radial, abstract pattern. Some are stacked or angled outward. The floor is tiled, and a vertical slatted fence forms the background. The composition emphasizes geometry and artistic design, with high contrast between the furniture and surroundings.
中文替代文字：
这是一张黑白照片，展示一组雕塑感十足的椅子围绕圆桌摆放在户外环境中。椅…

Lucky SHD 400 (6x6)

English Alt Text:
A black and white photo showing a worn tiled floor with streaks and discoloration. At the top of the image, a white chair with a woven seat and backrest sits beside two round tables with metal legs. The setting appears to be a patio or semi-outdoor café area. The contrast between the aged flooring and clean furniture creates a visually textured composition.
中文替代文字：
这是一张黑白照片，展示一块磨损的瓷砖地面，有划痕和变色痕迹。画面上方是一把白色椅子，座面和靠背为编织材质，旁边是两张金属腿圆桌。场景似乎是露台或半户外咖啡区。老旧地面与整洁家具之间的对…

Lucky SHD 400 (6x6)

English Alt Text:
A black and white photo of a staircase descending into a building interior. At the top, two directional signs on the floor point forward. The left sign reads “Garment Pattern Making” in Chinese; the right says “SGBI作,” a mix of English and Chinese. At the bottom of the stairs, a caution sign warns “Slippery Floor” in Chinese. Glass panels line the left side. The scene suggests a creative or educational space with safety signage.
中文替代文字：
这是一张黑白照片，展示一段通往室内的楼…

Lucky SHD 400 (6x6)

English Alt Text:
A black and white photo of an urban interior space, possibly an art studio. A simple black chair sits against a wall. To its right leans a textured canvas with abstract paint and plaster. Behind them, large glass windows are covered in graffiti—words like “Seven,” stylized eyes, hearts, and hands. A sign on the window reads “UZE Studio” in English and Chinese, with a QR code. The floor is worn and stained. On a raised platform to the right, black plastic b…

@Xavier@infosec.exchange
2026-01-12 22:04:25

This is an angry post.
#meme #shitpost

A yellow vertical bollard with two curved metal handles attached to its sides is positioned on a gravel or paved surface. The bollard shows signs of wear, including rust near its base. The surface beneath the bollard appears to be a mix of gravel and a smoother paved area, bordered by green grass in the background. The grassy area extends to the upper right of the image. There is no visible text in the image.

@leftsidestory@mstdn.social
2026-01-15 00:30:00

Gloom & Bloom II ☁️🌺
黑暗绽放 II ☁️ 🌺
📷 Zeiss IKON Super Ikonta 533/16
🎞️ Lucky SHD 400
#filmphotography #Photography #blackandwhite

Lucky SHD 400 (6x6)

English Alt Text:
A black-and-white photo taken from above shows a narrow alley with a brick floor and wall. A person stands near a bench, looking down at their hands. Above them, several rows of rectangular cloth flags—resembling Tibetan prayer flags—are strung diagonally across the space. The flags add a sense of movement and cultural texture. The scene feels quiet and introspective, with the solitary figure framed by the geometric lines of the alley and the soft flutter …

Lucky SHD 400 (6x6)

English Alt Text:
A monochrome photo of an urban workspace featuring two sculpted busts placed near a wall with horizontal slats. One bust wears a hat and is more defined; the other is smaller and abstract. In front of them lie spray paint cans, a brick, and scattered tools. The gritty textures and industrial backdrop suggest a creative or artistic environment, blending sculpture with street art elements.
中文替代文字：
这是一张黑白照片，展示一个城市工作空间。两尊雕塑胸像摆放在带有横向通风板的墙边，一尊戴帽子，轮廓清晰，另一尊较小，形态抽象…

Lucky SHD 400 (6x6)

English Alt Text:
A black-and-white photograph of a modern architectural space with clean lines and geometric forms. The left side features tall glass panels with vertical divisions; the right includes a stained concrete structure and tiled pavement. A white column separates the sections. The interplay of light and shadow emphasizes the minimalist design and quiet elegance of the space.
中文替代文字：
这是一张黑白照片，描绘一个现代建筑空间，线条简洁，几何感强。左侧是带有垂直分隔的大型玻璃板，右侧有一块带有污渍的混凝土结构和铺有瓷砖的地面。中间由一根白色柱子分…

Lucky SHD 400 (6x6)

English Alt Text:
A close-up black-and-white image of a slightly open door with a chain lock and a key inserted. Attached to the keychain is a rectangular sign with Japanese text reading “休憩中,” meaning “On break.” The interior behind the door is dimly lit, suggesting a pause in activity. The textures of the metal lock, door surface, and shadows evoke a sense of stillness and temporary closure.
中文替代文字：
这是一张黑白特写照片，显示一扇微微打开的门，门上有链条锁，钥匙插在锁孔中。钥匙链上挂着一个矩形牌子，上面写着日文“休憩中”，意思是“休息中”。门后…

@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: https://interlude.hk/the-less-classical-cello-concerto-miguel-de…

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.

@arXiv_csDS_bot@mastoxiv.page
2026-02-10 10:45:35

Incremental (k, z)-Clustering on Graphs
Emilio Cruciani, Sebastian Forster, Antonis Skarlatos
https://arxiv.org/abs/2602.08542 https://arxiv.org/pdf/2602.08542 https://arxiv.org/html/2602.08542
arXiv:2602.08542v1 Announce Type: new
Abstract: Given a weighted undirected graph, a number of clusters $k$, and an exponent $z$, the goal in the $(k, z)$-clustering problem on graphs is to select $k$ vertices as centers that minimize the sum of the distances raised to the power $z$ of each vertex to its closest center. In the dynamic setting, the graph is subject to adversarial edge updates, and the goal is to maintain explicitly an exact $(k, z)$-clustering solution in the induced shortest-path metric.
While efficient dynamic $k$-center approximation algorithms on graphs exist [Cruciani et al. SODA 2024], to the best of our knowledge, no prior work provides similar results for the dynamic $(k,z)$-clustering problem. As the main result of this paper, we develop a randomized incremental $(k, z)$-clustering algorithm that maintains with high probability a constant-factor approximation in a graph undergoing edge insertions with a total update time of $\tilde O(k m^{1 o(1)} k^{1 \frac{1}{\lambda}} m)$, where $\lambda \geq 1$ is an arbitrary fixed constant. Our incremental algorithm consists of two stages. In the first stage, we maintain a constant-factor bicriteria approximate solution of size $\tilde{O}(k)$ with a total update time of $m^{1 o(1)}$ over all adversarial edge insertions. This first stage is an intricate adaptation of the bicriteria approximation algorithm by Mettu and Plaxton [Machine Learning 2004] to incremental graphs. One of our key technical results is that the radii in their algorithm can be assumed to be non-decreasing while the approximation ratio remains constant, a property that may be of independent interest.
In the second stage, we maintain a constant-factor approximate $(k,z)$-clustering solution on a dynamic weighted instance induced by the bicriteria approximate solution. For this subproblem, we employ a dynamic spanner algorithm together with a static $(k,z)$-clustering algorithm.
toXiv_bot_toot

@a_j_millar@fediscience.org
2025-12-08 09:31:19

Content warning: EU politics and biology

The #EU reached a complicated compromise on the regulation of biotech #crops last Thursday. This is a significant step, from negotiations under the Danish presidency 🇩🇰. The proposal still needs to be ratified by the Council and @…, though both were already participating to reach this stage.
There's a lot of detail of course but one key biological aspect is that varieties with the smallest, so-called NGT-1 changes would no longer be regulated under GMO rules, and would be labelled for marketing as seeds but not their products thereafter. Not so for NGT-2.
➡️ https://www.consilium.europa.eu/en/press/press-releases/2025/12/04/new-genomic-techniques-council-and-parliament-strike-deal-to-boost-the-competitiveness-and-sustainability-of-our-food-systems/

@UP8@mastodon.social
2026-01-15 21:16:57

My new business cards finally came in the mail!
#photo #photography #foxwork #fox

Two sides of a business card: on the left a man in the woods wearing glasses and smiling a huge smile wearing an animal ear hood with the colors of a red fox and on the right a QR code and vertically-set Chinese/Japanese text that reads "Fox-type Beast Ears" and below that

Paul Houle

Community Photographer &
Wanderer Between Worlds

https://gen5.info/fox
paul.houle@ontology2.com
+1 (607) 821-1243

@leftsidestory@mstdn.social
2026-01-14 00:30:02

Gloom & Bloom ☁️🌺
黑暗绽放 ☁️ 🌺
📷 Zeiss IKON Super Ikonta 533/16
🎞️ Lucky SHD 400
#filmphotography #Photography #blackandwhite

Lucky SHD 400 (6x6)

English Alt Text:
A dramatic black-and-white image shows a tall building silhouetted against a cloudy sky. The structure has many windows and looms on the left side of the frame. The sky is filled with layered clouds, creating a moody, textured backdrop. Tree tops appear in the lower right corner, adding contrast between nature and architecture. The photo emphasizes vertical scale and atmospheric tension.
中文替代文字：
这是一张黑白照片，画面左侧是一栋高楼的剪影，背景是层层叠叠的云层。建筑物窗户众多，显得高耸入云。右下角可见树梢，为画面增添…

Lucky SHD 400 (6x6)

English Alt Text:
A black-and-white photo features a soccer ball resting near the sideline of an artificial turf field. The ball is positioned close to a drainage or ventilation grate. The field’s textured surface contrasts with the smooth curves of the ball. The composition is minimalistic, evoking solitude and anticipation, as if waiting for a game to begin.
中文替代文字：
这是一张黑白照片，画面中一个足球静静地躺在人工草坪的边线附近，旁边是一个排水或通风格栅。草坪的纹理与球体的圆润形成对比。构图简洁，传达出一种孤独与等待的氛围，仿佛比赛即将开始。

Lucky SHD 400 (6x6)

English Alt Text:
A black-and-white photo captures two individuals standing near a bus stop sign labeled “Guanghua Street” in Chinese. One person faces the sign, while the other looks down the road. The sidewalk is bordered by a white fence separating it from the street. Trees and distant buildings line the background. The pavement bears a safety warning in Chinese: “Please pay attention to safety.” The overcast sky and monochrome tones evoke a quiet, contemplative urban mo…

Lucky SHD 400 (6x6)

English Alt Text:
A black-and-white photo taken from inside a building looks out onto an urban courtyard. Spherical bollards line the entrance, and a fire extinguisher sits on the ground to the right. Three people are visible: one interacts with a scooter, while two others walk together. The background includes a fence, trees, and a mix of mid-rise and high-rise buildings. The scene captures everyday city life with quiet intimacy.
中文替代文字：
这是一张黑白照片，从室内望向城市庭院。入口处排列着几个球形路障，右侧地…

@leftsidestory@mstdn.social
2025-12-14 00:30:01

Metropolitana IV 🏯
城 IV 🏯
📷 Pentax MX
🎞️ Ilford Pan 100
#filmphotography #Photography #blackandwhite

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