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@heiseonline@social.heise.de
2026-05-19 04:00:01

Politikwetten: US-Behörden untersuchen Insiderhandel auf Polymarket und Kalshi
Nach Berichten über Insiderhandel untersuchen Regulierer Wetten auf Regierungsbeschlüsse und Militäreinsätze. Die Plattformen kooperieren mit der Justiz.

Politikwetten: US-Behörden untersuchen Insiderhandel auf Polymarket und Kalshi
Nach Berichten über Insiderhandel untersuchen Regulierer Wetten auf Regierungsbeschlüsse und Militäreinsätze. Die Plattformen kooperieren mit der Justiz.

@toxi@mastodon.thi.ng
2026-07-19 10:31:14

Fruits Of Labor (Of Love)
(A 10x8" silver chloride print I made last night of a scene captured in the Bernina Range in 2024, which reminded me of 18th century landscape painting...)
#SilentSunday #LandscapePhotography

A framed black & white photo print standing on a wooden easel in front of a white wall. The picture shows a shows a large boulder within a group of Swiss pines (which are also growing on top) in a talus field. Further in the distance the glaciated peaks of the Bernina range in bright sunshine.
@hikingdude@mastodon.social
2026-07-17 17:52:12

Oh! #FootpathFriday
One photo from the ruin of the castle #neideck which we visited.
I like castles and ruins not just for their look but because they offer a huge amount of information and history!
Well happy weekend! And happy reading

This image captures a dramatic and historic scene featuring the ruins of a stone tower, likely part of an old castle or fortress, perched on a rocky cliff. The tower, constructed from weathered gray stone, stands tall against the backdrop of a bright blue sky dotted with fluffy white clouds. The structure has an arched window, hinting at its ancient architectural style and the passage of time. A narrow, winding stone staircase with a metal handrail leads up to the tower, inviting the viewer to …
@toxi@mastodon.thi.ng
2026-07-18 16:56:00

Two small new prints from this afternoon, this time not Kallitype but contact printing on silver chloride FB paper, developed with Adox MCC. The increase in depth and detail is just wonderful and the feel of the final results an instant throwback to my early darkroom adventures ~40 years ago... 😍
The pictures are of two of my favorite places in recent years. Larger prints will be available for purchase in September.

Phone capture of two small B&W prints with black border, depicting beautiful alpine mountain landscapes. The top image shows a path in a high alpine valley leading into the distance past a small lake, surrounded by steep rock faces. Moody dark clouds forming. The bottom image shows a large boulder within a group of swiss pines (also growing on top) in a talus field. Further in the distance the glaciated peaks of the Bernina range in bright sunshine.
@BBC6MusicBot@mastodonapp.uk
2026-06-19 01:44:12

🇺🇦 #NowPlaying on #BBC6Music's #6MusicsJukebox
Jimmy Cliff:
🎵 Guns of Brixton
#JimmyCliff
kinkyelectricnoise.bandcamp.co

@leftsidestory@mstdn.social
2026-07-17 00:30:11

Inside Outside VIII 🔲
中间 VIII 🔲
📷 Pentax MX
🎞️ Fujifilm Neopan F, expired 1993
If you like my work, Support by buying me a coffee or a roll of film from
PayPal paypal.com/paypalme/ydcdingsite
Wise

Fujifilm NEOPAN F (FF) English A black-and-white close-up of a metal ladder with horizontal rungs, framed by two vertical poles. The background is blurred and bright, emphasizing the ladder's structure and creating a minimalist composition. 中文 一张黑白特写照片，展示了一个金属梯子，带有水平横杠，由两根垂直杆框住。背景模糊且明亮，突出了梯子的结构，营造出简约的构图。
Fujifilm NEOPAN F (FF) English A black-and-white photograph capturing a partial view of a modern building with a grid-like facade, partially obscured by tree branches and a traditional east Asian building in the foreground. The building's upper section is visible, with a triangular architectural element protruding from its side. The sky is bright, creating a high-contrast silhouette effect. 中文 一张黑白照片，捕捉到一栋现代建筑的部分视图，其立面呈网格状，前景被树枝和一栋传统东亚建筑部分遮挡。建筑的上部可见，侧面有一个三角形的建筑元素突出。天空明亮，形成高对比度的剪影效果。
Fujifilm NEOPAN F (FF) English A black-and-white photograph of a traditional East Asian building with a tiled roof and ornate eaves. The building is partially framed by trees and foliage in the foreground, with a bright sky in the background, creating a serene and timeless atmosphere. 中文 一张黑白照片，展示了一栋传统东亚建筑，屋顶铺有瓦片，屋檐装饰华丽。建筑被前景的树木和植被部分框住，背景是明亮的天空，营造出宁静而永恒的氛围。
Fujifilm NEOPAN F (FF) English A black-and-white photograph of a cityscape featuring tall buildings and a network of overhead cables. Decorative elements, including diamond-shaped and fan-shaped light fixtures, hang from the cables. The image captures an urban scene with a focus on architectural and decorative details. 中文 一张黑白城市风景照，展现了高楼大厦和密集的架空电缆。装饰性元素，包括菱形和扇形的灯具，悬挂在电缆上。这张图片捕捉了城市景观，重点展现了建筑和装饰细节。
@arXiv_physicsfludyn_bot@mastoxiv.page
2026-05-19 07:57:20

Rarefaction-induced inflation and similarity breakdown of hypersonic bow shocks over a circular cylinder
Ehsan Roohi, Ahmad Shoja-Sani
arxiv.org/abs/2605.17099 arxiv.org/pdf/2605.17099 arxiv.org/html/2605.17099
arXiv:2605.17099v1 Announce Type: new
Abstract: Rarefied hypersonic bow shocks over blunt bodies inflate as the Knudsen number increases, but it remains unclear whether this inflation is a simple shift and broadening of one common shock layer or a multi-scale change of the macroscopic and internal-energy fields. We address this question using direct simulation Monte Carlo (DSMC) data for Mach-10 flow over a circular cylinder in argon and nitrogen over \(Kn_\infty \approx 0.01\)--\(1\), together with a Mach-number sweep at \(Kn_\infty=0.01\). At low rarefaction, a ray-based density-gradient ridge gives a reproducible bow-shock location and agrees with an independent schlieren-based shock-wave-detection method. As \(Kn_\infty\) increases, this ridge is replaced by a broad kinetic compression layer, so the high-Knudsen cases are analysed using profile-based standoff and thickness metrics rather than by imposing a visual shock line. The Knudsen- and Mach-number sweeps separate two mechanisms. At fixed \(M_\infty\), the continuum normal-shock density ratio provides a useful low-rarefaction reference compression scale, whereas the measured standoff growth is governed primarily by the kinetic mean free path; the effective density thickness shows an intermediate minimum before increasing in the diffuse regime. At fixed low \(Kn_\infty\), changing \(M_\infty\) mainly changes compression strength and curvature, preserving a coherent attached-layer structure. Density-registered profiles and shock-attached proper orthogonal decomposition (POD) show that, within the present maximum-density-gradient registration, density becomes nearly rank one, whereas Mach number and thermal variables retain independent modal content. Rarefied bow-shock inflation is therefore a coupled compression--relaxation process, not a single-scale rescaling of a continuum-like shock.
toXiv_bot_toot

@Jackobli@mastodon.social
2026-06-17 21:03:22

Ich bin fast durch, mit dem Aufräumen im Büro. Was weg muss, ist gebündelt oder liegt bereit für den Schredder.
Aber ein paar Dinge aus der Serie #BlastFromThePast werde ich hier noch teilen. 😜
Als man noch eine CD brauchte, um ins Internet zu kommen! 🤓

Drei CD-ROMs, zwei beschriftet mit CompuServe, eine rote mit Videotex/Internet von SwissOnline
@heiseonline@social.heise.de
2026-07-01 07:02:00

Krypto-Geschäfte brachten Trump 2025 über eine Milliarde ein
Seit Amtsantritt sprudeln Trumps Gewinne durch Krypto-Geschäfte. Das geht aus seiner fast 1000 Seiten langen Erklärung hervor. Doch auch Geschenke fallen auf.

Krypto-Geschäfte brachten Trump 2025 über eine Milliarde ein
Seit Amtsantritt sprudeln Trumps Gewinne durch Krypto-Geschäfte. Das geht aus seiner fast 1000 Seiten langen Erklärung hervor. Doch auch Geschenke fallen auf.

@heiseonline@social.heise.de
2026-05-06 15:57:00

Stopp von Google-Strafe? Schwere Vorwürfe gegen von der Leyen
Berichte über eine Intervention der EU-Kommissionspräsidentin von der Leyen sorgen für Empörung: Zivilgesellschaft und EU-Parlament fordern DMA-Durchsetzung.

Stopp von Google-Strafe? Schwere Vorwürfe gegen von der Leyen
Berichte über eine Intervention der EU-Kommissionspräsidentin von der Leyen sorgen für Empörung: Zivilgesellschaft und EU-Parlament fordern DMA-Durchsetzung.