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@arXiv_astrophCO_bot@mastoxiv.page
2025-09-17 09:07:50

Lowering the Horizon on Dark Energy: A Late-Time Response to Early Solutions for the Hubble Tension
Tal Adi
arxiv.org/abs/2509.12331 arxiv.…

Lowering the Horizon on Dark Energy: A Late-Time Response to Early Solutions for the Hubble Tension
We present a model-independent null test of the late-time cosmological response to a reduced sound horizon, as typically required by early-universe solutions to the Hubble tension. In this approach, we phenomenologically impose a shorter sound horizon without modeling early-universe physics to isolate its impact on late-time dark energy inference. Using baryon acoustic oscillations (BAO), supernovae (SN), big bang nucleosynthesis (BBN), and local $H_0$ data, while explicitly avoiding CMB anisot…

@UP8@mastodon.social
2025-09-17 02:05:34

This boy told me you could catch sunfish and bass in the pond north of Dwyer Memorial Park when I was there for a car show this Sunday
#pond #photo #photography

The horizon is right on the midline of this photo but a hill looms over it on the left half and above that a mostly clear blue sky with a few big clouds which are reflected on the still surface of a pond, right near the horizon can be found a row of trees that are just starting to turn color, on the left is the side of the pond and a boy with a blue shirt looks really tiny compared to the landscape as he fishes.
@NFL@darktundra.xyz
2025-08-17 20:00:25

Eagles acquiring WR John Metchie III from Texans in exchange for TE Harrison Bryant, pick swap nfl.com/news/eagles-acquiring-

Eagles acquiring WR John Metchie III from Texans in exchange for TE Harrison Bryant, pick swap
Philadelphia is at it again. The Eagles are acquiring wide receiver John Metchie III from the Texans, NFL Network Insider Tom Pelissero reported Sunday.

@oekologisch_unterwegs@mastodon.online
2025-06-18 07:18:26

#Wandereindrücke aus Mecklenburg-Vorpommern. Mit extra hübschen Deko-Wolken. 😁
Übrigens, #Wanderroutentipps in diesem Bundesland mit GPX-Track findet Ihr über

Weites Getreidefeld unter blauem Himmel mit einzelnen weißen Wolken. Im Vordergrund wachsen zwischen den Halmen zahlreiche blau-violette Wildblumen. Am Horizont sind Baumreihen und ein hoher Mast oder Turm erkennbar.
@arXiv_hepph_bot@mastoxiv.page
2025-07-18 09:46:22

Evolution of coupled scalar perturbations through smooth reheating. II. Thermal fluctuation regime
M. Laine, S. Procacci, A. Rogelj
arxiv.org/abs/2507.12849

Evolution of coupled scalar perturbations through smooth reheating. II. Thermal fluctuation regime
Curvature perturbations with short wavelengths exit the Hubble horizon when the universe may contain a thermal plasma in addition to an inflaton field that drives its expansion. We solve the corresponding fluctuation-dissipation dynamics at linear order, building upon a previously established set of gauge-invariant evolution equations. The properties of the noise autocorrelator are constrained via a matching of equilibrium correlators to quantum-statistical physics deep inside the Hubble horizo…

@arXiv_physicsfludyn_bot@mastoxiv.page
2025-07-17 08:41:20

Numerical investigation on solids settling in a non-Newtonian slurry inside a horizontal flume
Shubham Sharma, Somasekhara Goud Sontti, Wenming Zhang, Petr Nikrityuk, Xuehua Zhang
arxiv.org/abs/2507.11657

Numerical investigation on solids settling in a non-Newtonian slurry inside a horizontal flume
Slurry transportation is always crucial for many industrial processes. This study numerically investigates the settling behavior of multisize solid particles in a non-newtonian slurry inside a semicircular open channel (flume). The non-newtonian slurry is modelled using a three-dimensional (3D) unsteady Eulerian-Eulerian (E-E) model coupled with the Hershel-Bulkley (HB) rheological model. A detailed sensitivity analysis of drag models is performed to establish the solid-fluid interaction in the…

@arXiv_csRO_bot@mastoxiv.page
2025-09-17 10:44:10

StageACT: Stage-Conditioned Imitation for Robust Humanoid Door Opening
Moonyoung Lee, Dong Ki Kim, Jai Krishna Bandi, Max Smith, Aileen Liao, Ali-akbar Agha-mohammadi, Shayegan Omidshafiei
arxiv.org/abs/2509.13200

StageACT: Stage-Conditioned Imitation for Robust Humanoid Door Opening
Humanoid robots promise to operate in everyday human environments without requiring modifications to the surroundings. Among the many skills needed, opening doors is essential, as doors are the most common gateways in built spaces and often limit where a robot can go. Door opening, however, poses unique challenges as it is a long-horizon task under partial observability, such as reasoning about the door's unobservable latch state that dictates whether the robot should rotate the handle or push …

@Ruhrnalist@mastodon.social
2025-09-12 15:35:29

Ich bin inzwischen ganz schön schnell beim Aufbereiten, Schneiden und Mastern von Podcasts. Hier ca. 100 Schnitte, oft komplizierte Versprecher/Stottern in 2,5 Stunden. Zum Glück mache ich keine Stunden, sondern Pauschalhonorare.

Das Bild zeigt eine Audio-Editierungssoftware mit einer Zeitachse oben und einem Audiosignal darunter. Die Zeitachse ist in Minuten und Sekunden markiert, und die Audiosignale sind in verschiedenen Abschnitten dargestellt, die durch horizontale Linien getrennt sind. Die Audiosignale sind in einem dunklen Blau dargestellt, und die Peaks sind in einem helleren Blau hervorgehoben. Die Software ermöglicht es dem Benutzer, verschiedene Abschnitte des Audiosignals zu bearbeiten und zu analysieren.
@UP8@mastodon.social
2025-09-18 02:13:28

Alfalfa Field where we parked for Sunday's Car Show in Little York, NY showing the kind of hill that the glaciers shaped all over upstate NY
#photo #photography #landscape

Wide angle photo of a big field with a carpet for short green alfalfa, there is a pickup truck that looks tiny to the far left, the horizon is near the center, to the left there is hillside covered with trees, to the right a patchy hedgerow, above a dramatic sky filled with large cumulus clouds.
@NFL@darktundra.xyz
2025-09-10 20:44:19

Vikes' Smith confident of return in under 3 weeks espn.com/nfl/story/_/id/462183

Vikings' Harrison Smith confident of return in under 3 weeks - ESPN
Vikings safety Harrison Smith said Wednesday that he has made progress in his recovery from a personal health issue that began last month and is confident that he will resume playing in less than three weeks.