A hologram is a type of image that appears to be three-dimensional, even though it is actually a two-dimensional projection. It is created by using lasers to record and display an object, giving the illusion of depth and movement. Full definition
The shootout in a formerly garish casino is a nightmare of light and sound, as holograms of Elvis and Frank Sinatra flicker in and out of view, blaring old standards for the few seconds they have power. (alphaprimitive.com)
Scientists of many Science Relatives dare not say we are as holograms for if we were why then do we bleed and feel pain? (religion.blogs.cnn.com)
Surprisingly, in that same text, Coupland characterized the use of holograms in art — except «by Simone Forti and a few others,» whom he characterized as deploying them «to great effect» — as a «flash in the pan.» (artforum.com)