It is a normal pattern that is stronger in the winter and keeps some of the coldest weather bottled up near the North Pole. But at times some of the vortex can break off or move south, bringing ...

Theoretical physicists have established a close connection between the two rapidly developing fields in theoretical physics, quantum information theory and non-invertible symmetries in particle ...

FOLLOWING a suggestion of de Broglie, a theory has been developed by Jordan 1 and myself 2 in which an attempt is made to reduce the field of radiation with light quanta, obeying the statistics of ...

Abstract: A low-profile wideband microstrip patch antenna (MPA) with consistent radiation patterns is proposed based on dual antiphase modes. Firstly, a pair of narrow slots and a differentialfed ...

Abstract: A high-gain duplex antenna with multibeam radiation based on a Fabry-Pérot Cavity (FPC) is proposed in this paper. For the performance, it is the first FPC antenna integrated with duplex and ...

The IP3-rated Aaronia IsoLOG 3D DF is the only RF direction-finding antenna with a 400MHz to 40GHz frequency range and 8µs tracking speed that also determines the elevation of any target (3D DF).

Given the multiple morphological, physical and technical characteristics of vaulters and ways of pole vaulting, we can hypothesis that some patterns of pole vaults can lead to higher injury risk than ...

Background Evidence on the role of cannabis as a gateway drug is inconsistent. We characterise patterns of cannabis use among UK teenagers aged 13–18 years, and assess their influence on problematic ...

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