Hologram

/ˈhoʊləˌɡræm/ noun

Definition

A hologram is a three‑dimensional image created using laser light that appears to float in space and can be seen from different angles. It stores and displays information about both the brightness and the direction of light.

Etymology

From Greek “holos,” meaning “whole,” and “-gram,” meaning “something written or recorded.” The name reflects that a hologram records the whole light field, not just a flat picture.

Kelly Says

Unlike a normal photo, a hologram doesn’t just capture where light lands; it captures how light waves interfere, so the 3D image can be rebuilt later. If you cut a hologram into pieces, each fragment can still show the entire image, just with less detail. It’s like storing a whole picture in every shard of broken glass.

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