A high-density computer with a very powerful three-dimensional resolution capacity and a cryogenic cooling system. The police cars and Deckard's apartment contain small models which can be channeled into the large one at police headquarters. This big apparatus is a well-worn, retro- fitted part of the furniture. Among many functions, the Esper can analyze and enlarge photos, enabling investigators to search a room without being there. The January 1995 issue of NASA Tech Briefs includes a description of an Esper-like machine called Omniview.