A physicist in Tunisia wants to build the most accurate clock on the African continent. For him, measuring time by the second isn’t precise enough. He wants to get down to a nanosecond; that’s one-billionth of a regular second. More...
A physicist in Tunisia wants to build the most accurate clock on the African continent. For him, measuring time by the second isn’t precise enough. He wants to get down to a nanosecond; that’s one-billionth of a regular second. More...
