Open Directory - Business:Publishing and Printing:Printing:Equipment and Supplies:Supplies:Optically Variable


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Top: Business: Publishing_and_Printing: Printing: Equipment_and_Supplies: Supplies: Optically_Variable

Optically variable materials reflect light in ways that create a different look or image depending on the angle from which it is viewed. They include holograms and other techniques. These materials are incorporated into other products for a variety of purposes.

Open Directory Science: Physics: Education: Light and Optics: Holography
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