Tootfinder

Project Severe Weather Archive of the Philippines (SWAP) Part 2: Baseline Climatology of Close Proximity Soundings in Hailstorm Environments across Luzon, Philippines
Generich H. Capuli
https://arxiv.org/abs/2510.09530

Project Severe Weather Archive of the Philippines (SWAP) Part 2: Baseline Climatology of Close Proximity Soundings in Hailstorm Environments across Luzon, Philippines
The environments of severe thunderstorms that produced hail were examined using 171 proximity soundings (2005-2024) archived in the 3rd Data Release of Project SWAP. These soundings were categorized based on their geographical occurrence into three hail-prone environments across Luzon, Philippines. For each case, key parameters describing instability, vertical wind structure, and moisture were calculated to assess their relationship to hail formation. The probability of hail occurrence, express…

The limits of cosmology
Joseph Silk
https://arxiv.org/abs/2509.08066 https://arxiv.org/pdf/2509.08066

The limits of cosmology
The Moon is our future. It may seem like a chimera with a projected cost in excess of 100 billion\$, and counting, dispensed on ARTEMIS with little to show to date. However it is the ideal site for the largest telescopes that we can dream about, at wavelengths spanning decimetric radio through optical to terahertz FIR. And it is these future telescopes that will penetrate the fundamental mysteries of the first hydrogen clouds, the first stars, the first galaxies, the first supermassive black ho…

FRB 20250316A - A Brilliant and Nearby One-off #FastRadioBurst Localized to 13 pc Precision: https://iopscience.iop.org/article/10.3847/2041-8213/adf62f -> Physical properties provided by Keck Observatory data reveals surprising FRB environment / Origin of Mysterious Radio Signal Possibly Discovered: https://keckobservatory.org/rbfloat/ / https://www.cfa.harvard.edu/news/origin-mysterious-radio-signal-possibly-discovered

A Neural Network Approach to Multi-radionuclide TDCR Beta Spectroscopy
Li Yi, Qian Yang
https://arxiv.org/abs/2509.03137 https://arxiv.org/pdf/2509.03137…

A Neural Network Approach to Multi-radionuclide TDCR Beta Spectroscopy
Liquid scintillation triple-to-doubly coincident ratio (TDCR) spectroscopy is widely adopted as a standard method for radionuclide quantification because of its inherent advantages such as high precision, self-calibrating capability, and independence from radioactive reference sources. However, multiradionuclide analysis via TDCR faces the challenges of limited automation and reliance on mixture-specific standards, which may not be easily available. Here, we present an Artificial Intelligence (…

Finetune Once: Decoupling General & Domain Learning with Dynamic Boosted Annealing
Yang Tang, Ruijie Liu, Yifan Wang, Shiyu Li, Xi Chen
https://arxiv.org/abs/2509.26242 http…

Finetune Once: Decoupling General & Domain Learning with Dynamic Boosted Annealing
Large language models (LLMs) fine-tuning shows excellent implications. However, vanilla fine-tuning methods often require intricate data mixture and repeated experiments for optimal generalization. To address these challenges and streamline the training process, we propose an efficient and universal solution, Dynamic Boosted Annealing (DBA). We obtain a global gradient through zero-learning-rate training on general data, which is subsequently employed for gradient boosting and dynamic training …

Po przeczytaniu https://mastodon.online/@mwichary/115110119665371604 zacząłem sobie trochę myśleć, czy dla zabawy nie spróbować innego układu klawiatury.
Oczywiście, nie rozważałem go po to, by "szybciej pisać". A to z dwóch powodów:
1. Podstawowym …

10-W Sub-100-fs Ultrafast Cr:ZnS/ZnSe MOPA System enabled by doping gradient engineering
Guangzi Feng, Xiyue Zhang, Yuchen Wang, Weibo Wu, Gianluca Galzerano, Qing Wang, Ting Yu, Yujie Peng, Jintai Fan, Benxue Jiang, Yuxin Leng, Long Zhang
https://arxiv.org/abs/2509.13639

10-W Sub-100-fs Ultrafast Cr:ZnS/ZnSe MOPA System enabled by doping gradient engineering
We report on a high-power mid-infrared femtosecond master oscillator power amplifier (MOPA) system, employing Cr:ZnS and Cr:ZnSe polycrystals with fine-tuned doping profiles. Based on the soft-aperture Kerr-lens mode-locking in the soliton regime, the seed oscillator generates ~40-fs pulses with a repetition rate ~173 MHz with an average power close to 400 mW. The amplification process of the seed pulse train is investigated in depth in a single-pass configuration for both Cr:ZnS and Cr:ZnSe cr…

Signatures of dynamical activity in the hot gas profiles of groups and clusters in the FLAMINGO simulations
Lilia Correa Magnus, Scott T. Kay, Joop Schaye, Matthieu Schaller
https://arxiv.org/abs/2509.10230

Signatures of dynamical activity in the hot gas profiles of groups and clusters in the FLAMINGO simulations
In anticipation of upcoming cosmological surveys, we use the large volume Flamingo hydrodynamical simulations to look for signatures of dynamical activity, focusing on the hot gas profiles of groups and clusters out to redshift $z=1$. To determine the dynamical state of each object, we consider the halo mass accretion rate, $Γ$, as well as three observational proxies: stellar mass gap, $\Mstar$; X-ray concentration, $c_\mathrm{x}$, and X-ray centroid shift, $\left$. In general, the me…