Scientists develop new quantitative model to measure tree shade tolerance

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

The impact of sunlight spectral shifts on bifacial perovskite-silicon tandem solar cells

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 ...
BBC

Angles, lines and polygons - OCR

A rectangle has two pairs of equal sides. It has four right angles (90°). The opposite sides are parallel. The diagonals bisect each other. A parallelogram has two pairs of equal sides. It has two ...
The Motley Fool

How to Calculate IRR With Initial Outlay and Single Cash Flow

Founded in 1993, The Motley Fool is a financial services company dedicated to making the world smarter, happier, and richer. The Motley Fool reaches millions of people every month through our premium ...