The megalithic site of Gunung Padang in the highlands of western Java was constructed some 2,000 years ago over the course of several generations. Similar stone monuments are found across the ...

Abstract: Conventional beamforming with fixed-position antenna (FPA) arrays has a fundamental trade-off between maximizing the signal power (array gain) over a desired direction and simultaneously ...

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The National Science Foundation has begun dismantling a major ocean monitoring network more than a decade earlier than planned. Some scientists say it will be a “tragic” loss of crucial information ...

Abstract: This article proposes a novel antenna array based on radar operation with high detection capability and implementability for 3-D head microwave imaging (MI). The utilized antenna elements ...

Researchers at Kanazawa University, in collaboration with Diamond and Carbon Applications (Germany), have developed a buried-growth process for nitrogen–vacancy (NV) centers in diamond using microwave ...

The audio version of this article is generated by AI-based technology. Mispronunciations can occur. We are working with our partners to continually review and improve the results. Part of the Coffee ...

Every book you open is an adventure – whether you are exploring new places, meeting new characters, or learning something new. A whole summer of reading fun is waiting just for you! This summer, as we ...