In the field of physics, holography is a photography process giving three-dimensional illusion. When you see an hologram, you have the impression to see a volume in suspension in the air.
In science fiction, this term is generalised to all kind of really three-dimensional images used as visualisation device. Sometimes (notably in Star Trek), the hologram is associated with force fields and synthesized matter for it can interact with its environment and become a character.
Matching words : Holodeck
Examples :
- The Tony Stark’s virtual computer interface in Iron Man, directed by Jon Favreau
- The interstellar communicator in Star Wars
- The H.M.U., holographic doctor in the Star Trek: Voyager series
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