Operators div, grad, curl and Laplacian in orthogonal curvilinear coordinates. • Sketch graphs of standard and other simple functions; • Use of the unit circle to define trigonometric functions and ...

Earth’s tilt is what causes the seasons; in the summer, when our planet’s pole is tipped toward the sun, the days are longer, ...

Uniti, an internally managed real estate investment trust, is engaged in the acquisition and construction of mission critical communications infrastructure, and is a leading provider of fiber and ...

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2024 was the warmest year in the 175-year observational record. It was likely the first calendar year to be more than 1.5°C above the pre-industrial era, with a global mean near-surface temperature of ...