Amazing job: Japan ‘cryogenic’ clocks keep time for 16 billion years
TOKYO: Japanese researchers have built a pair of clocks which they say are so accurate they will lose a second ...
Tag: Never be late again
Never be late again: Japan ‘cryogenic’ clocks keep time for 16b yrs
BEIJING: Japanese researchers have built a pair of clocks which claim are so accurate that they will lose only a ...
