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How Were the Egyptian Pyramids Built?

Bostic Will Retire in 2026. What It Means for the Trump Fed. Virginia Giuffre's memoir reveals intimate details about her ...

Making sense of the pyramids’ enduring mysteries

For 5,000 years scholars, generals, and mystics have been fascinated by the Egyptian pyramids. That obsession persists in the ...

Egypt's pyramid is hiding secret entrance say scientists who discovered 'mysterious voids'

Scientists have made a huge breakthrough in understanding one of Egypt's most famous pyramids, by discovering 'an important ...
IEEE

A Novel Quaternion-based Method to Calculate Solar Irradiation on a Surface

Abstract: The calculation of the solar irradiance is crucial in evaluating the performance of solar power plants and can ground their malfunction-analysis. In this paper, a new solar irradiance ...