Atomic ClocksThursday, September 21st, 2006
This article provides useful, detailed information about Atomic Clocks.
Time waits for no man. Keeping this mind, we set about inventing clocks to synchronize ourselves with lunar cycles. It was an impressive leap, beginning some 10,000 years ago when the Egyptians came up with sundials in 2100 BC. Sundials, or shadow clocks, first used by Sumerians, [...]