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Energy measuring 

Energy measuring is a term used to describe the light and radio waves, X-rays, and other forms of energy that transmitted through space as electromagnetic waves

Photovoltaic cells (solar cells)

A photovoltaic cell ( solar cells) is a term used to describe devices that convert solar radiation directly to electricity. PV’s are a sort of semiconductor that catches the light and turn into pure and clean power. These devices are sound and smoke-free, no moving parts.

Visible light

Visible light is a term used to describe the portion of the electromagnetic spectrum that can be detected by human eyes, typically wavelengths between 400 and 700 nm.


The x-ray is a term used to describe electromagnetic radiation of high energy and very short wavelength — X-Rays (between that of ultraviolet and gamma rays).

Structural colour

Structural colour is a term used to describe objects that do not have any pigment yet get their colours from light that is being reflected in microstructures and by this manipulating our brain’s way to see colours (like in a rainbow). In nature, tremendous numbers of orders and patterns are generated spontaneously, which enliven our surroundings.

Optical brightness or Optical Whiteners

Optical brightness or Optical Whiteners are chemicals make fabrics seem to show lighter than they do, to make them brighter they convert ultraviolet light to visible light in the blue region. They are sometimes used in the manufacture of fabrics and included in the formula of many detergents sold for home use.

Scanning electron microscopy (SEM)

Scanning electron microscopy (SEM) is any of class microscopic procedures that use electrons rather than visible light to produce magnified images, particularly of objects having dimensions smaller than the single wavelengths of perceivable light.

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