Holography is a process by which three-dimensional images can be stored and reproduced using laser light. The medium that stores the image--called a hologram--is nothing more than an exposed, developed, fine-grained piece of photographic film. However, unlike a photograph which records an image as seen from one particular viewpoint, a hologram is a record of an image as seen from many viewpoints. In fact, "holography" comes from the Greek word "holos" meaning "whole" and "graphos" meaning "message." A hologram does indeed record the "whole message" of an object.
	This image shows three different viewpoints from one transmission hologram, Event Horizon by Rudie Berkhout, from the Museum's holography exhibition.
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