The light the heat songs, . But there are many other kinds… Simply stated, light is nature's way of transferring energy through space. Synonym Discussion of Light. In common usage, the term light (or visible light) refers to electromagnetic radiation in a wavelength range that is visible to the human eye (about 400–700 nanometers (nm) (15. We can complicate it by talking about interacting electric and magnetic fields, quantum mechanics, and all of that, but just remember-- light is energy. Light shines on an object, then bounces off, or reflects, back to our eyes. The main source of natural light on Earth is the Sun. With the development of electric lights and power systems, electric lighting has effectively replaced firelight. The main source of natural light on Earth is the Sun. Visible light is all the colors (red, yellow, blue, etc.


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