The mystery of how pearls form into the most perfectly spherical large objects in nature may have an unlikely explanation, scientists are proposing in a new study. The mystery of how pearls form into ...

A man is scrambling to find a spherical egg that can be placed inside his bespoke spherical egg cup. Simon Balch, 49, was inspired to make what he believed to be the first spherical egg cup after ...

Long before Hank Williams Jr. belted out the first line of “Are You Ready For Some Football?” Dayton in fact was ready. The very first game of what is now known as the NFL was played right here in ...

Abstract: A differential dual-polarized filtering dielectric resonator antenna (DRA) fed by isosceles-right-triangular substrate integrated waveguides (IRTSIWs) is presented in this letter. The out-of ...

Xin Lai, Yukang Chen, Fanbin Lu, Jianhui Liu, Jiaya Jia Install dependencies (we test on python=3.7.9, pytorch==1.8.0, cuda==11.1, gcc==7.5.0) git clone https ...

Abstract: An enhanced adaptive ray-tracing technique is proposed for fast monostatic RCS prediction of curved targets with multiple reflections. The method performs nonuniform ray tracing guided by ...

Orthodrome is a part of the great circle that crosses any pair of the points on the sphere. Through any two points on a sphere (that are not directly opposite each other), there is a unique great ...

This paper sets out to present a numerical procedure that solves Poisson’s equation in a spherical coordinate system. To discretize this equation, integration techniques at the interfaces between ...

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