What Is a Hologram Used for?


Whenever photographic projections create a three-dimensional image, it is known as a hologram. Holograms appear to have depths where they require the use of light of a single exact wavelength and can also use lasers.
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What Is a Hologram Used for?
Holography is a form of photography requiring laser light. It is an art, science and technology used to create 3-dimensional images. Some holograms appear so real that you might be tempted to touch them, but your hand just goes through empty air. They... More »
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Source: www.ehow.com
A hologram is a scientific technology and art used to create a 3-dimensional image. It includes artistic portraits, pictures and medical scans. The word is derived from Greek works 'holos' and 'gramma' meaning 'whole' and 'message' respectively.
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