MANGROVES, along with tidal marshes and seagrasses, are increasingly recognized as vital "blue carbon" ecosystems. In tropical and subtropical coastlines, they are among the most productive natural ...

People don't want to pay what the device would cost without the subsidies. Look at TVs sold as commercial signs for a taste. Click to expand... Consider how search engines have reduced air travel to ...

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Abstract: This paper aims to improve our understanding of the performance of the Non-Primary Channel Access (NPCA) mechanism, a new feature introduced in IEEE 802.11bn to enhance spectrum utilization ...

Abstract: This letter develops a three-dimensional (3D) physics-based propagation model for reconfigurable intelligent surface (RIS)-empowered unmanned aerial vehicle (UAV)-to-ship communication ...

An engineering tour of the seven biggest tidal turbines operating beneath and above the sea today.1 , 2 , 3 , 4 Tides are predictable years in advance, unlike wind or ...

A sailor’s long-running fight over a San Francisco Bay island could resolve a Clean Water Act question the US Supreme Court has yet to answer—whether tidal channels and adjacent wetlands qualify as ...