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@arXiv_grqc_bot@mastoxiv.page
2025-09-17 07:48:09

Dynamics of test particles, QPOs and thermodynamics of charged Euler-Heisenberg AdS black holes with a cloud of strings and dark matter
Faizuddin Ahmed, Ahmad Al-Badawi, \.Izzet Sakall{\i}
arxiv.org/abs/2509.12264

Dynamics of test particles, QPOs and thermodynamics of charged Euler-Heisenberg AdS black holes with a cloud of strings and dark matter
We investigate the geodesic motion of test particles around a charged Euler-Heisenberg Anti-de Sitter black hole (CEH-AdS-BH) with a cloud of strings (CoS) and surrounded by perfect fluid dark matter (PFDM). Our analysis examines how the interplay between Euler-Heisenberg nonlinear electrodynamic corrections, string cloud, and PFDM distributions modifies fundamental BH properties. We study dynamics of both massless photons and massive neutral test particles, deriving the effective potentials an…

@cowboys@darktundra.xyz
2025-12-16 18:57:09

Dallas Cowboys 'Hard Knocks' live stream: 'In Season: NFC East' Episode 3 online si.com/nfl/cowboys/onsi/news/d

Dallas Cowboys 'Hard Knocks' live stream: 'In Season: NFC East' Episode 3 online
Episode 3 of 'Hard Knocks" In Season with the NFC East' will air on Tuesday, December 16, highlighting the Dallas Cowboys' latest struggles.

@macandi@social.heise.de
2025-12-15 07:33:00

heise | Bequemer heizen: 9 smarte Heizkörperthermostate im Test
Smarte Heizkörperthermostate regeln die Temperatur und lassen sich aus der Ferne bedienen. Wir testen neun Kandidaten, die man mit dem iPhone steuern kann.

Bequemer heizen: 9 smarte Heizkörperthermostate im Test
Smarte Heizkörperthermostate regeln die Temperatur und lassen sich aus der Ferne bedienen. Wir testen neun Kandidaten, die man mit dem iPhone steuern kann.

@leftsidestory@mstdn.social
2025-10-17 02:24:17

Moody Urbanity - Odes 🎶
情绪化城市 - 颂 🎶
📷 Zeiss Super Ikonta 533/16
🎞️ Ilford HP5 Plus, expired 1993
#filmphotography #Photography #blackandwhite

Ilford HP5 Plus 400 (6x6) English Alt Text: A black and white photo captures a city street running beneath a low overpass with a clearance sign reading “2.5m.” Two people ride bicycles or electric scooters—one holds an umbrella while moving. A car travels alongside them. The overpass has a stone wall and metal railings. In the distance, tall buildings and construction cranes suggest ongoing urban development. The monochrome tone adds a timeless, documentary feel. The scene reflects everyday ci…
Ilford HP5 Plus 400 (6x6) English Alt Text: A contemplative black and white image shows a person standing at a crosswalk beneath an overpass. The person faces away from the camera, hands clasped behind their back, wearing a jacket. Shadows from the bridge create dramatic contrast on the pavement. In the background, several pedestrians and cars move through the urban setting. The photo evokes solitude and reflection, with strong light and shadow interplay. 中文替代文字： 这张黑白照片展现了一位行人站在高架桥下的斑马线上，背对镜头…
Ilford HP5 Plus 400 (6x6) English Alt Text: A black and white photo of a modern building interior with a high, angled glass ceiling supported by geometric beams. Natural light floods the space. On a mezzanine level, people sit at round tables, possibly in a café or lounge. The word “PURE” is visible on the right wall. Through the large windows, tall buildings suggest an urban setting. The architectural design and relaxed atmosphere contrast with the city outside. 中文替代文字： 这张黑白照片展示了一座现代建筑的内部，高耸…
Ilford HP5 Plus 400 (6x6) English Alt Text: A black and white photo of a quiet bus stop beside a multi-lane road. The bus stop sign features Chinese characters and an information board mounted on a tall pole. A white metal fence lines the road, with trees and a wall in the background. No vehicles or people are visible. Sunlight casts shadows on the sidewalk, adding depth. The grainy texture and monochrome palette give the image a nostalgic, historical feel. 中文替代文字： 这是一张黑白照片，描绘了一个安静的公交车站，位于多车道…
@heiseonline@social.heise.de
2025-11-13 14:19:00

Astronomie: Eruption auf Stern hätte Atmosphäre eines Planeten hinweggefegt
Sonneneruptionen können auf der Erde für beeindruckende Polarlichter sorgen. Nun wurde erstmals eine auf einem Stern bestätigt – die war viel weniger harmlos.

Astronomie: Eruption auf Stern hätte Atmosphäre eines Planeten hinweggefegt
Sonneneruptionen können auf der Erde für beeindruckende Polarlichter sorgen. Nun wurde erstmals eine auf einem Stern bestätigt – die war viel weniger harmlos.

@catsalad@infosec.exchange
2025-12-16 13:47:55

Environmental storytelling 🐾

Photo of a tuxedo cat staring through the glass of a back door where a small loop of paw prints in fresh snow can be seen. Kitty saw the cold white stuff. Kitty is done on the cold white stuff.
@Techmeme@techhub.social
2025-12-16 19:10:51

Netflix announces a partnership with iHeartMedia to exclusively publish at least 15 video podcasts beginning in early 2026, including The Breakfast Club (Jessica Testa/New York Times)
nytimes.com/2025/12/16/busines

Netflix Adds Podcasts in Deal With iHeartMedia
The streaming service now has about 30 video podcasts lined up for 2026, including the influential radio show “The Breakfast Club.”

@AimeeMaroux@mastodon.social
2025-12-16 08:23:33
Content warning:

Have a courageous Day of Ares aka Mars' Day aka Tuesday 🗡️
"One day Ares came in from the battlefield brandishing a strong spear and began to make fun of Eros' weapon. Eros said ‘This one is heavy : try it and you will see.’ Ares took the javelin, while Kypris [Aphrodite] smiled quietly."
The Anacreontea, Fragment 28
🏛 Ares and #Aphrodite, 3rd century Roman <…

Roman mosaic depicting Aphrodite, Charis (Grace), and Ares. Winged Erotes (Loves) are taking away Ares' weapons.
@leftsidestory@mstdn.social
2025-09-17 00:30:02

On The Road - To Xi’An/ Urban Spots 🟤
在路上 - 去西安/ 城市的点 🟤
📷 Pentax MX
🎞️Fujifilm Neopan F, expired 1993
#filmphotography #Photography #blackandwhite

FUJIFILM NEOPAN F (FF) English Alt Text: A close-up black-and-white image shows a weathered padlock securing two metal doors. The padlock is rusted and scratched, locked through thick metal loops. Two wires or cords are also threaded through the shackle, adding extra security or possibly serving another purpose. The background is blurred, suggesting an outdoor setting with faint outlines of buildings and vegetation. The image evokes a sense of age, security, and quiet tension, with the padlock…
FUJIFILM NEOPAN F (FF) English Alt Text: A black-and-white photo captures a solitary pedestrian mid-stride on a gently curving paved road. The person wears a dark shirt and shorts, walking toward the left side of the frame. To the right of the road is a sidewalk marked with a bicycle symbol, indicating a designated bike lane. The background features a rocky embankment with sparse vegetation and a few small trees. The sky is overcast, casting a soft, diffused light that enhances the quiet, cont…
FUJIFILM NEOPAN F (FF) English Alt Text: A monochrome photo shows a long, tall concrete wall running parallel to a paved sidewalk. A person walks alone in the distance, dwarfed by the imposing structure. The wall has a railing on top, with some plants hanging over. Behind the wall, a tall communication tower rises into the sky. The perspective emphasizes depth and scale, creating a feeling of isolation and urban quiet. The scene is stark and minimal, with strong lines guiding the viewer’s eye.…
FUJIFILM NEOPAN F (FF) English Alt Text: A black-and-white image shows a wide set of stone steps leading to a modern building with tall columns. Several people walk up and down the steps, some alone, others in groups. The building’s facade is smooth and contemporary, suggesting a public or cultural space like a museum. The handrails frame the steps, and the composition captures movement and structure. The monochrome palette adds a timeless, documentary feel, focusing on human activity in an ur…
@heiseonline@social.heise.de
2025-11-14 06:15:10

Noch einige der zuletzt hier besonders häufig geteilten #News:
Astronomie: Eruption auf Stern hätte Atmosphäre eines Planeten hinweggefegt

Astronomie: Eruption auf Stern hätte Atmosphäre eines Planeten hinweggefegt
Sonneneruptionen können auf der Erde für beeindruckende Polarlichter sorgen. Nun wurde erstmals eine auf einem Stern bestätigt – die war viel weniger harmlos.