When you shine a flashlight into a glass of water, the beam bends. That simple observation, familiar since ancient times, ...

Gross margin measures the percentage of revenue after direct costs are subtracted. Calculating gross margin involves subtracting COGS from revenue and dividing by total revenue. High gross margin ...

Calculate dividends by subtracting year-end retained earnings from start-year retained earnings, then net income. Dividend payout ratio (DPR) is found by dividing total dividends by net income to ...

A research team led by Academician Zhu Jiaojun from the Institute of Applied Ecology (IAE) of the Chinese Academy of Sciences ...

An expert discusses how she managed an unusual case of a patient with high myopia with angle closure and elevated intraocular ...

A Slovak research team has developed a mathematical model for determining the optimum tilt angle of a solar system ranging from 0° to 90°. Their framework was tested on an experimental setup in ...

Experts from the International Solar Energy Society explains how regional spectral shifts of the standard spectral distribution of sunlight bring new insights into the performance of bifacial ...

Understanding diffraction and dispersion is key to optical science, influencing technologies like spectroscopy, fiber optics, ...

Abstract: Currently, many target classification and recognition methods for synthetic aperture radar (SAR) images rely on extracting common features of targets from images at different azimuth angles.

Abstract: Microwave radiometers have received extensive attention due to their passive and non-intrusive ability to measure the internal temperature of the human body. In this paper, the brightness ...

Lightsails are a highly promising spacecraft concept that has attracted interest in recent years due to its potential to travel at near-relativistic speeds. Such speeds, which current conventional ...