Sentences with phrase «nanosecond =»
But actually measuring those times and distances to the accuracy needed to detect differences of billionths of a second (1 nanosecond = 1 billionth of a second) is no easy task.
https://www.newscientist.com/ Not exact matches
The mathematics of E = MC2 can be traced from the present moment back more than 14 billion years, to perhaps a nanosecond into The Big Bang.