http://news.poseidon-us.com/TJcJdd
For decades, atomic clocks have been the pinnacle of precision timekeeping, enabling GPS navigation, cutting-edge physics research, and tests of fundamental theories. But researchers are now pushing beyond atomic transitions to something potentially even more stable: a nuclear clock.
http://news.poseidon-us.com/TJcJdd
http://news.poseidon-us.com/TJcJdd