Hologram

Image made on a photographic plate which, when viewed under the appropriate conditions, gives a three-dimensional image. A light-sensitive film is used but it is not a conventional photographic technique. Pictures are viewed either by reflected light, such as a hologram on a credit card, or by projected laser-generated beams of light.

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Dennis Gabor (formerly Denes Gabor), by Dr Lessing, 1960s or 1970s? - NPG  - © reserved; collection National Portrait Gallery, London

Dennis Gabor (formerly Denes Gabor)
by Dr Lessing
1960s or 1970s?
NPG P287

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