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@Techmeme@techhub.social
2026-08-18 01:56:33

A video found in the macOS Tahoe 26.7 release candidate appears to show a man demoing camera-equipped AirPods using Visual Intelligence (Juli Clover/MacRumors)
macrumors.com/2026/08/17/camer

@detondev@social.linux.pizza
2026-08-22 20:30:58

mushroom 🍄 makes 🛠 mind 🧠 mushy 💤 (by) means ➡️ (of) mousey 🐁 mole 🕳️

@aral@mastodon.ar.al
2026-08-19 16:35:45

Apple’s innovating again, y’all!
#Apple

Man making the “think about it gesture” meme: 

They can’t be pervert glasses if they’re in your ears.
@migueldeicaza@mastodon.social
2026-07-19 17:36:47

In Mexico we say “estoy mšs exprimido que un limón de fonda” and I think this is beautiful

@jdrm@social.linux.pizza
2026-08-21 06:35:29

Un artículo muy breve con contenido que casi todas las aquí presentes lo vamos a mirar con cara de "si, lo sabemos, cuéntanos algo nuevo" pero que no deja de ser interesante que salgan publicaciones en las que se cuestiona la forma en la que se han convertido las ciudades en lugares inhóspitos e invivibles y, sobretodo, que no estšn preparados para los eventos cada vez mšs exagerados frute del calentamiento global.

@arXiv_physicsmedph_bot@mastoxiv.page
2026-06-23 07:55:35

MORSE-PI -- Flexible and artefact-free image reconstruction for structural and functional QSM and other phase-critical imaging applications
Barbara Dymerska, Oliver Josephs, Benjamin James, Vahid Malekian, Nadine N. Graedel, Martina F. Callaghan
arxiv.org/abs/2606.21336 arxiv.org/pdf/2606.21336 arxiv.org/html/2606.21336
arXiv:2606.21336v1 Announce Type: new
Abstract: Phase imaging applications such as QSM are highly sensitive to noise amplifications, phase singularities, and other artefacts, particularly in challenging scenarios such as ultra-high field (7T), under-sampled or single-echo acquisitions. We present a novel image reconstruction method, MORSE-PI, designed to produce high-SNR, artefact-free, and singularity-free phase images for both structural and functional phase-based brain imaging. MORSE-PI extends our previous approach, MORSE, by introducing a Virtual Reference Coil (VRC). The VRC is constructed as a linear combination of coil sensitivity maps, with correlations enhanced between coil elements using the noise covariance matrix. Such a VRC ensures robust signal support across the entire brain and is used to correct phase offsets in the MORSE-derived coil sensitivity estimates, resulting in artefact-free, high SNR phase. Compared to GRAPPA with ASPIRE phase correction, MORSE-PI demonstrates greater robustness to artefacts such as noise amplification and aliasing, and shows improved reproducibility in structural imaging at both 3T and 7T. Unlike ESPIRiT and GRAPPA combined with adaptive coil combination methods, MORSE-PI yields singularity-free phase maps. MORSE-PI enables high-SNR reconstructions even for the most challenging scenarios, such as single-echo EPI at 7T. Its efficient, containerised implementation using the Gadgetron framework supports deployment on the MRI scanner console during measurements. MORSE-PI offers a flexible and computationally efficient solution for generating high-SNR, artefact- and singularity-free phase images in both single- and multi-echo GRE and EPI acquisitions. This makes it particularly well-suited for structural and functional QSM, as well as other phase-based MRI applications. Its robustness and rapid computational time facilitate efficient deployment on scanners across field strengths.
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@nohillside@smnn.ch
2026-08-18 05:19:22

Nimmt mich ja Wunder, wie Apple sowas Datenschutz-konform umsetzen will. Im Gegensatz zu Meta-Brillen sind AirPods allgegenwärtig, auch in Gyms und Badis …
Apple's Camera-Equipped AirPods Confirmed: See Them in Action macrumors.com/2026/08/17/camer

@UP8@mastodon.social
2026-07-22 20:02:16

Bassist of Billy and the Therapists
#photo #photography #music #rockandroll

In the center a man in a medium grey shirt is playing a white bass guitar with lights behind him,  to the left in the front is a blurred out man with pink pants and an Mtv mushroom shirt.
@StephenRees@mas.to
2026-07-14 23:49:12

From Amnesty International
More than 11,300 people have already signed the petition calling for open work permits for migrant workers.
Change happens when people come together.
Add your name today and help us reach 15,000 signatures, sending a clear message to the federal government that people across Canada support migrant workers' rights.
People from all walks of life have come together because we believe in a Canada where everyone is treated with dignity and fa…

@arXiv_physicsfludyn_bot@mastoxiv.page
2026-07-23 08:24:17

A High-Order Flux Reconstruction Actuator-Line Framework for Rotating-Blade Aerodynamics on Fixed Cartesian Grids
Abdullah Al Imran, Meilin Yu
arxiv.org/abs/2607.20347 arxiv.org/pdf/2607.20347 arxiv.org/html/2607.20347
arXiv:2607.20347v1 Announce Type: new
Abstract: This work couples a high-order flux reconstruction/correction procedure via reconstruction (FR/CPR) solver with a rotating actuator-line model (ALM) to simulate rotating-blade aerodynamics on fixed Cartesian grids. Blade loading is represented by volumetric body force source terms projected through an isotropic Gaussian kernel in a blade-attached frame, eliminating the need to resolve blade geometry. Vertical-axis wind turbines (VAWTs) serve as the demonstration configuration, with a modified Boeing-Vertol dynamic stall model incorporated to capture unsteady lift and drag. A mesh-resolution criterion for the Gaussian projection kernel on reasonably coarse meshes is derived. It shows that cost-effective coarse meshes can operate in a mesh-controlled regime with negligible induction feedback, motivating a Double Multiple Streamtube (DMST) correction to recover the physical inflow. Simulations are carried out over a range of tip-speed ratios at a chord-based Reynolds number of Re_c ~ 3.6 x 10^5. The framework is validated against experimental near-wake measurements and previously reported LES-ALM results, and the mean wake profile shows good agreement. The predicted power-coefficient curve matches high-fidelity three-dimensional LES-ALM data to within 6% around the optimal VAWT operation conditions. The framework also captures the regime-dependent influence of dynamic stall, azimuthal blade loading, lift hysteresis, and characteristic wake structures. These results demonstrate that the FR/CPR-ALM framework provides an accurate and computationally efficient geometry-free approach for VAWT analysis, making it well suited for parametric studies and large-scale wind energy applications.
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