The radio telescope is like an ear, listening to tell meaningful radio messages from white noise in the universe.
电波望远镜就像一只耳朵，从宇宙的白噪音中分辨出有意义的无线电信息。
2
Every few days, a messenger would bike over from "The Big Ear, " Ohio State's giant radio telescope in Delaware, Ohio, and hand Jerry computer records of sounds coming in from deep space.
I thought back to the periodic interruption I'd grown up with in the mid-20th century — the ear-invading tone that was part of the radio and TV "emergency broadcasting system" test.