translation.en: It's October of 1957, and Sputnik has just launched, and we're in Laurel Maryland, at the applied physics lab associated with Johns Hopkins University.
translation.zh: 1957年10月 人造卫星刚刚上天， 在马里兰州劳雷尔的 应用物理实验室， 约翰霍普金斯大学参予其中。