Results 41 to 50 of about 1,011,040 (196)
Asian Politics &Policy, Volume 18, Issue 3, July 2026.ABSTRACT Gray‐zone activities have become a central feature of security competition in East Asia, particularly in the Taiwan Strait, where persistent military operations blur the boundary between coercion and armed conflict. This study develops a structured threat‐assessment framework for evaluating the intensity of PLA aerial gray‐zone pressure around
Shih‐Yin Liang, Hsuan‐Lei Shao
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An Overview of Tsunami Hazards in the Southwest Pacific Ocean
New Zealand Journal of Geology and Geophysics, Volume 69, Issue 2, June 2026.The southwest Pacific region is geologically complex and exhibits all the principal causes of tsunami generation. While contemporary events and historical catalogs indicate that trans‐Pacific tsunamis have affected this area (∼18% of tsunamis reported globally), it is unique in that a large part of the tsunami effects over the ∼200‐year historical ...
Jean H. M. Roger +13 more
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Analysis of causation of loss of communication with marine autonomous systems: a probability tree approach [PDF]
, 2014 The last decade has seen the eagerly anticipated introduction of marine autonomous systems as a pragmatic tool for ocean observation. However, outstanding reliability problems means that these vehicles are not yet fulfilling their true potential.
Brito, M.P., Griffiths, G., Smeed, D.A.
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Template‐Based Structured Electrodes for High Power and Durable Proton Exchange Membrane Fuel Cells
SusMat, Volume 6, Issue 3, June 2026.This article reviews advances in template‐based structured electrodes for proton exchange membrane fuel cells. The article discusses how engineered architectures improve mass and proton transport, membrane‐electrode interfaces, and catalyst utilization.
Yi Ren +3 more
wiley +1 more source
Undersea navigation via a distributed acoustic communications network [PDF]
, 2005 Acoustic modems are the basis for emerging undersea wireless communications networks. US Navy Seaweb technology offers an opportunity to perform undersea navigation and tracking by virtue of node-to-node ranging measurements acquired as a by-product of ...
Hahn, Matthew J.
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Canadian Public Administration, Volume 69, Issue 2, Page 250-277, June 2026.Abstract The war in Ukraine and Israel's successful operations have demonstrated the apparent shift in military operations, strategic defence spending, and innovations. Drawing parallels to the industrial revolution and how it slowly transferred military procurement, training, and deployment, the current study also highlights the AI revolution and the ...
Ehsan Jozaghi
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Autonomous Collision avoidance for Unmanned aerial systems [PDF]
, 2014 Unmanned Aerial System (UAS) applications are growing day by day and this will lead Unmanned Aerial Vehicle (UAV) in the close future to share the same airspace of manned aircraft.This implies the need for UAS to define precise safety standards ...
Melega, Marco
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Tectonics, Volume 45, Issue 5, May 2026.Abstract Southern Italy and eastern Sicily have been the site of several destructive historical earthquakes. Here at the junction between the western edge of the Calabrian subduction zone and the Malta Escarpment several strike‐slip faults have been mapped, which may be the surface expression of the lateral slab tear fault and are candidate sources for
M.‐A. Gutscher +4 more
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Ecology and Seasonal Habitat Use of Northern Bottlenose and Sowerby's Beaked Whales in the Azores
Marine Mammal Science, Volume 42, Issue 2, April 2026.ABSTRACT Beaked whales are among the least known cetaceans, yet they are regularly observed in the Azores, a region recognized as a hotspot for deep‐diving species. In this study, we analyzed opportunistic sightings collected during 1492 whale‐watching trips, including 149 beaked whale encounters, of which 89 were Sowerby's (Mesoplodon bidens) and 31 ...
Rui Peres dos Santos +3 more
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Student Explores Unmanned Surface Vehicles for Maritime Data Collection [PDF]
, 2012 Undersea Warfare student Lt. Timothy Rochholz is exploring the research potential of a new wave-propelled unmanned surface vehicle which industry hopes can replace moored buoys for maritime ...
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