On Earth, depending on where you are, the analemma can be at different angles, though it always traces out this figure-of-eight pattern. But on other planets, with their own orbits and mean solar ...

In this article, we’ll look at ROI and a few ways to calculate it. Companies measure ROI to determine if a marketing campaign was cost-effective. A high ROI indicates that a marketing campaign ...

In his online wanderings, Rubine stumbled across the channel of Australian mathematician N.J. Wildberger. Intrigued, he got ...

Abstract: In this paper, the resonance problem of rectangular dielectric resonators (DRs) is analyzed by using the spectral dyadic Green's function and volume integral-equation formulation. The ...

This site makes available downloading of a spreadsheet calculator which produces 6-year lung cancer risk (probability) estimates in ever-smokers according to the Tammemägi 2012 (PLCOm2012) lung cancer ...

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