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@arXiv_astrophEP_bot@mastoxiv.page
2025-05-28 10:22:43

This arxiv.org/abs/2505.14662 has been replaced.
initial toot: mastoxiv.page/@arXiv_…

The Great Comets of 1843 and 1882 at Their Previous Return to Perihelion in the Twelfth Century: One Spectacular, the Other Dull
New insights into the history of C/1843 D1 and C/1882 R1, the two celebrated Kreutz sungrazers, are provided by assessing evidence on their appearance at the previous perihelion return, known as X/1106 C1 and the Chinese comet of 1138 (Ho's No. 403), respectively. The conditions differed vastly because of disparities in geocentric distance, solar elongation, and phase correction (forward scattering), all linked to the arrival times (early February vs early August). The conclusions include: the …

@leftsidestory@mstdn.social
2025-05-14 00:30:05

Urban Discoveries II 🌆
都市发现 II 🌆
📷 Pentax MX
🎞️Lucky SHD 400
buy me ☕️ ?/请我喝杯☕️？
#filmphotography

Lucky SHD 400 **English:** This black and white photograph shows the interior of a modern shopping mall. The scene is characterized by a spacious, well-lit area with a high ceiling. A prominent cylindrical column stands in the center, and the floor is highly reflective, adding to the sleek and polished appearance of the space. Several people are visible, engaged in various activities such as walking and conversing. The mall features various shops, with bright lighting and large display windows…
Lucky SHD 400 **English:** This black and white image depicts the exterior of a commercial building. The building houses a McDonald's restaurant, identifiable by the iconic golden arches logo above the entrance. The facade features large windows, and there are several people visible outside, some of whom appear to be seated on motorcycles. The scene is set in an urban environment, with trees lining the sidewalk and construction materials scattered on the ground, suggesting ongoing development …
Lucky SHD 400 **English:** This black and white photograph captures a market scene featuring a variety of fresh produce. In the foreground, there are bunches of garlic with their papery white skins prominently displayed. To the left, there are elongated white radishes, and in the bottom left corner, there are several dark-colored tomatoes. The image highlights the textures and shapes of these vegetables, emphasizing the natural beauty and variety found in a typical market setting. **Chinese:*…

Yiding Cao Geld mit PayPal.Me senden
Folgen Sie dem Link PayPal.Me/dingsterdingster und geben Sie den Betrag ein. Es ist bequem und sicher. Sie haben noch kein PayPal-Konto? Kein Problem.

@arXiv_physicsplasmph_bot@mastoxiv.page
2025-06-27 08:53:09

Nonlinear edge localized mode with impurity seeding in CFETR hybrid scenario
Shiyong Zeng, Ping Zhu
arxiv.org/abs/2506.20892

Nonlinear edge localized mode with impurity seeding in CFETR hybrid scenario
A critical challenge for operating fusion burning plasma in high confinement mode lies in mitigating damage caused by edge localized modes (ELMs). While impurity seeding has been experimentally validated as a reliable and effective ELM mitigation technique, its underlying physics remains insufficiently understood and requires further clarification. Through nonlinear magnetohydrodynamic (MHD) simulations, this work reproduces key features of natural ELM crash and reveals its trigger mechanism. I…

@leftsidestory@mstdn.social
2025-05-14 00:30:05

Urban Discoveries II 🌆
都市发现 II 🌆
📷 Pentax MX
🎞️Lucky SHD 400
buy me ☕️ ?/请我喝杯☕️？
#filmphotography

Lucky SHD 400 **English:** This black and white photograph shows the interior of a modern shopping mall. The scene is characterized by a spacious, well-lit area with a high ceiling. A prominent cylindrical column stands in the center, and the floor is highly reflective, adding to the sleek and polished appearance of the space. Several people are visible, engaged in various activities such as walking and conversing. The mall features various shops, with bright lighting and large display windows…
Lucky SHD 400 **English:** This black and white image depicts the exterior of a commercial building. The building houses a McDonald's restaurant, identifiable by the iconic golden arches logo above the entrance. The facade features large windows, and there are several people visible outside, some of whom appear to be seated on motorcycles. The scene is set in an urban environment, with trees lining the sidewalk and construction materials scattered on the ground, suggesting ongoing development …
Lucky SHD 400 **English:** This black and white photograph captures a market scene featuring a variety of fresh produce. In the foreground, there are bunches of garlic with their papery white skins prominently displayed. To the left, there are elongated white radishes, and in the bottom left corner, there are several dark-colored tomatoes. The image highlights the textures and shapes of these vegetables, emphasizing the natural beauty and variety found in a typical market setting. **Chinese:*…

Yiding Cao Geld mit PayPal.Me senden
Folgen Sie dem Link PayPal.Me/dingsterdingster und geben Sie den Betrag ein. Es ist bequem und sicher. Sie haben noch kein PayPal-Konto? Kein Problem.

@arXiv_physicsfludyn_bot@mastoxiv.page
2025-06-10 18:05:00

This arxiv.org/abs/2501.03542 has been replaced.
initial toot: mastoxiv.page/@ar…

Turbulence modeling over riblets via domain transformation
Numerical and experimental studies have demonstrated the drag-reducing potential of carefully designed streamwise-elongated riblets in lowering skin-friction drag. To support the systematic design of such surface corrugations, recent efforts have integrated simplified versions of the governing equations with innovative methods for representing the effects of rough boundaries on flow dynamics. Notably, the statistical response of the eddy-viscosity-enhanced linearized Navier-Stokes equations has…

@arXiv_csRO_bot@mastoxiv.page
2025-06-04 13:47:16

This arxiv.org/abs/2410.01050 has been replaced.
initial toot: mastoxiv.page/@arXiv_csRO_…

Steering Elongate Multi-legged Robots By Modulating Body Undulation Waves
Centipedes exhibit great maneuverability in diverse environments due to their many legs and body-driven control. By leveraging similar morphologies and control strategies, their robotic counterparts also demonstrate effective terrestrial locomotion. However, the success of these multi-legged robots is largely limited to forward locomotion; steering is substantially less studied, in part because of the difficulty in coordinating a high degree-of-freedom robot to follow predictable, planar trajec…

@arXiv_mathNT_bot@mastoxiv.page
2025-06-06 09:44:16

This arxiv.org/abs/2306.15594 has been replaced.
initial toot: mastoxiv.page/@arXiv_mat…

2-Elongated Plane Partitions and Powers of 7: The Localization Method Applied to a Genus 1 Congruence Family
Over the last century, a large variety of infinite congruence families have been discovered and studied, exhibiting a great variety with respect to their difficulty. Major complicating factors arise from the topology of the associated modular curve: classical techniques are sufficient when the associated curve has cusp count 2 and genus 0. Recent work has led to new techniques that have proven useful when the associated curve has cusp count greater than 2 and genus 0. We show here that these te…

@MamasPinkyToe@mastodon.world
2025-06-01 04:08:08

BREAKING - Tesla has announced a complete recall of all Cybertrucks. The Peeing Calvin decals in the back window are to be replaced with Peeing Elons, with no charge to the owners.