Mathematicians are still trying to understand fundamental properties of the Fourier transform, one of their most ubiquitous ...

Abstract: Knowledge graphs have been widely used in various domains such as intelligent question answering, information retrieval, transportation, medicine, e-commerce, and others, and have achieved ...

Abstract: In this work, we present a radar countermeasure technique based on time-modulated metasurfaces for false target generation in radar systems that make use of symmetrical triangular linearly ...

Three orange lights in a “perfect triangle” in the sky were reported to police in Northern Ireland in 2025, it can be revealed. Police also received a call on their non-emergency 101 number reporting ...