Results 71 to 80 of about 387,277 (371)

State of the Art of Low‐Frequency Acoustic Modulation: Intensity Enhancement and Directional Control

open access: yesAdvanced Science, EarlyView.
High intensity low‐frequency sound sources hold significant value in many fields. However, their long wavelength, strong penetrability, and tendency to diffract make direction control and intensity enhancement challenging. Acoustic generators and metamaterial‐based acoustic devices still face issues such as low energy efficiency, poor directional ...
Jingsong Xu   +13 more
wiley   +1 more source

Military spending, public debt, and economic growth in Cameroon

open access: yesSustainable Futures, 2023
This paper investigates the effect of military spending and public debt on economic growth in Cameroon over the period 1980–2021. Due to the nature of the data, the methodology involves AutoRegressive Distributed Lag (ARDL) models.
Arsène Aurelien Njamen Kengdo
doaj  

Junk News on Military Affairs and National Security: Social Media Disinformation Campaigns Against US Military Personnel and Veterans [PDF]

open access: yesarXiv, 2018
Social media provides political news and information for both active duty military personnel and veterans. We analyze the subgroups of Twitter and Facebook users who spend time consuming junk news from websites that target US military personnel and veterans with conspiracy theories, misinformation, and other forms of junk news about military affairs ...
arxiv  

Machine Learning‐Enabled Drug‐Induced Toxicity Prediction

open access: yesAdvanced Science, EarlyView.
Unexpected toxicity accounts for 30% of drug development failures. This review highlights ML innovations in predicting drug‐induced toxicity, emphasizing comparative analyses, interpretable algorithms, and multi‐source data integration. It categorizes toxicity types, summarizes ML models, and organizes key databases, offering strategies to address ...
Changsen Bai   +5 more
wiley   +1 more source

Government spending shocks and the multiplier: New evidence from the U.S. based on natural disasters [PDF]

open access: yes, 2012
The literature on estimating macroeconomic effects of fiscal policy requires suitable instruments to identify exogenous and unanticipated spending shocks. So far, the instrument of choice has been military build-ups.
Fidrmuc, J, Ghosh, S, Yang, W
core   +1 more source

Copper Paste Printed Paper‐Based Dual‐Band Antenna for Wearable Wireless Electronics

open access: yesAdvanced Electronic Materials, EarlyView.
A dual‐band paper‐based antenna is screen‐printed on photopaper using a plasma‐sintered copper paste, offering stable radiation performance, excellent conformality and acceptable SAR values, making it idea for wearable wireless electronic applications. Abstract Wearable wireless electronics is becoming a significant research area because of the unique ...
Wendong Yang   +4 more
wiley   +1 more source

The Impact of Military Allocations on Economic Development: Insights from the South Caucasus Region

open access: yesInternational Journal of Economics and Financial Issues
The shifting geopolitical landscape, along with ongoing global political changes, necessitates a comprehensive reassessment of military expenditures within national governance frameworks.
Ramil I. Hasanov   +4 more
doaj   +1 more source

The demand for defense spending in Russia: Economic and strategic determinants

open access: yesRussian Journal of Economics, 2018
The allocation of resources to defense and national security is influenced by several factors, both domestic and external. Findings, reported in the relevant empirical literature, suggest that military spending is determined by a cohort of economic ...
Christos Kollias   +3 more
doaj   +3 more sources

From Simulation to Reality: Transfer Learning for Automating Pseudo‐Labeling of Real and Infrared Imagery

open access: yesAdvanced Intelligent Systems, EarlyView.
This study introduces a novel method for labeling real‐world color and infrared images using a synthetically trained system. Applied to flight test imagery, the new labels enhance object detection. The method works without expensive truth systems or camera calibration, enabling predictions on past datasets and addressing the need for high‐quality ...
Jeffrey Choate   +6 more
wiley   +1 more source

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