CU of part of computer in operation. PAN past column to interior of computer room at United States Weather Bureau. MLS of man working on one of the machines, replacing cover. MS of dark instrument with polar projection on world flashing by subliminally. MLS of same machine, lit with picture of world flashing on and off, tape recorder in background. CU of fingers punching various lighted buttons. PAN to CU of paper with weather data being printed (some parts are out of focus). CU of punched tape coming out of orifice in machine.