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        How 3D Holograms Work | Physics Girl

        Holograms are photographic recordings of 3D scenes. Unlike a camera, which captures one view through a small viewer focused by a lens, holograms capture an entire light field, which allows them to recreate the 3D scene. Shimmering, 2D projections, like pre-recorded Pepper's ghost illusions, are often confused with 3D holograms.

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