Results 41 to 50 of about 140 (137)
Mammal Review, Volume 56, Issue 1, March 2026.Marine mammals are vulnerable to a variety of anthropogenic threats, yet a global systematic map of the literature for 19 species found both spatial and temporal disparity in research effort between threats and between species. There are knowledge gaps for species and threats, with effort unequal across many species' ranges.
Emily L. Hague +9 more
wiley +1 more source
Advanced Science, Volume 13, Issue 11, 23 February 2026.Highly dispersed and electron‐rich Ni nanoparticles (≈2.7 nm) supported on NH2‐MIL‐125 significantly promote the dehydrogenation of hydrous hydrazine under visible‐light irradiation, achieving a turnover frequency of 220.2 h−1 at 323 K, which is more than twice that in the dark (108.1 h−1) and outperforms most reported non‐precious metal catalysts ...
Jianjun Long +6 more
wiley +1 more source
Global Policy, Volume 17, Issue 1, Page 94-106, February 2026.ABSTRACT Much of the subsea cable network, which carries the vast majority of global internet traffic, is developed, owned, and operated by private corporations. In an era of growing global tensions, states have come to view these cables as critical to their interests. The article addresses the disconnect between statecraft‐centric explanations and the
Joscha Abels
wiley +1 more source
International Journal of Naval Architecture and Ocean Engineering, 2020 We used a numerical method to estimate the hydrodynamic maneuvering derivatives for the heave-pitch coupling motion of an underwater glider. It is very important to assess the hydrodynamic maneuvering characteristics of a specific hull form of an ...
Sungook Lee +3 more
doaj +1 more source
Navigation of an Autonomous Underwater Vehicle for Shortest Time Sensor Data Collection
IET Control Theory &Applications, Volume 20, Issue 1, January/December 2026.This paper addresses the problem of navigation of an autonomous underwater vehicle (AUV) for effective sensor data collection from an underwater sensor network. The AUV is launched from an unmanned surface vehicle (USV) located at some sea surface point, collects sensor data, and then arrives at the same USV at some other sea surface point.
Andrey V. Savkin +2 more
wiley +1 more source
Simulation Analysis of Variable Cross-section Linetype Optimization for Swim-out Tube in UUVs
水下无人系统学报In order to design the swim-out launcher unit for unmanned undersea vehicle(UUV), based on the thrust model and force model of swim-out launch process for electric torpedoes, the paper analyzes the thrust, fluid resistance, course resistance, and local ...
Jie ZHOU, Liang MA, Hui HENG
doaj +1 more source
Weaponising the Supply Chain: Yemen's Blockade and the Contradictions of Maritime Logistics Capital
Antipode, Volume 58, Issue 1, January 2026.Abstract This paper examines the 2023–2025 naval blockade imposed by Yemen in the Red Sea. It argues that the blockade's success in disrupting global trade stemmed from the potent confluence of asymmetric military tactics and the structural vulnerabilities inherent within global maritime logistics capitalism.
Ashok Kumar
wiley +1 more source
Integrating Composite Materials Throughout the Military Sector: A Review
Advances in Materials Science and Engineering, Volume 2026, Issue 1, 2026.Composite materials have attracted considerable attention in the defense industry owing to their distinctive properties and wide‐ranging applications. This systematic review examines the current research landscape and recent advancements in the application of composite materials for defense purposes.
Mikru Birhan +4 more
wiley +1 more source
Underwater Target Search and Tracking Based on Air-Sea Heterogeneous Unmanned Platform
水下无人系统学报The marine heterogeneous unmanned systems can effectively enhance the implementation efficiency of complex missions. In this paper, autonomous undersea vehicles(AUVs) and unmanned aerial vehicles(UAVs) were used for searching and tracking unknown ...
Wenjun DING +4 more
doaj +1 more source
AI‐Based Autonomous Sailboat Navigation: A Review
Journal of Field Robotics, Volume 42, Issue 8, Page 4157-4180, December 2025.ABSTRACT This review explores the recent advancements in AI‐driven autonomous sailboat navigation, underscoring its pivotal role in ocean monitoring and real‐time maritime data collection. Drawing on an extensive range of primary and secondary sources, the study critically evaluates current challenges, innovative control algorithms, and path planning ...
Vishali Mankina +6 more
wiley +1 more source