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Lens (city) , Lens
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In the field of optics, a lens is a device used for focusing or defocusing a beam of light. It is usually made from shaped glass. A de… Image , im·age / ˈimij/ • n. a representation of the external form of a person or thing in sculpture, painting, etc. ∎ a visible impression obtained by a cam… graven image , grav·en im·age • n. a carved idol or representation of a god used as an object of worship.
graven image an idol, in allusion to the second commandmen… Holography , Background
A hologram is a flat surface that, under proper illumination, appears to contain a three-dimensional image. A hologram may also project a… Imaging , Imaging
High-tech diagnostic imaging techniques that have allowed physicians to explore bodily structures and functions with a minimum of invasion to… Images , Images
Aristotle's claim that "it is impossible even to think without a mental picture" (On Memory and Recollection 450a) has frequently been echoed…
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