So,a person who has a new invented mobile phone can find the location of the grave."

VOA: standard.2010.07.22

You wait a short amount of time, it goes to a new location, What can that be?

过了一小会儿,它到了一个新的位置,它等于什么呢

耶鲁公开课 - 基础物理课程节选

You wait a short amount of time, it goes to a new location, What can that be?

过了一小会儿,它到了一个新的位置,它等于什么呢

耶鲁公开课 - 基础物理课程节选