Friday 20 July 2012

Holograms Explained!


Ever wondered what causes the changes in shapes in colors when you tilt your driver’s license? Holograms. Holographic technology exists everywhere around us. They are present in passports, bills, entertainment tickets, etc. But what exactly are holograms? They are a record of three-dimensional image of an object. The photo below demonstrates what that actually means. Like a photo, it collects light from the original source but a hologram collects it from various points giving it that unique three-dimensional effect.

5 comments:

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