Energy & Green Tech

Sunny prospects for start-up's clear solar energy windows

A Redwood City, California-based tech startup has developed a glass window packed with transparent photovoltaic cells that it believes will revolutionize the way solar energy is harnessed.


The power of light for internet of underwater things

A system that can concurrently transmit light and energy to underwater energy devices is under development at KAUST. Self-powered internet of underwater things (IoUT) that harvest energy and decode information transferred ...

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Light is electromagnetic radiation, particularly radiation of a wavelength that is visible to the human eye (about 400–700 nm, or perhaps 380–750 nm.) In physics, the term light sometimes refers to electromagnetic radiation of any wavelength, whether visible or not.

Three primary properties of light are:

Light, which exists in tiny "packets" called photons, exhibits properties of both waves and particles. This property is referred to as the wave–particle duality. The study of light, known as optics, is an important research area in modern physics.

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