There are several examples of the theory of relativity that we can observe in real life and the technologies we use today.
Nuclear clocks could be more accurate than atomic clocks by a factor of about 10, potentially leading to improved GPS ...
FOR THE discerning timekeeper, only an atomic clock will do. Whereas the best quartz timepieces will lose a millisecond every ...
The most precise clocks in the world will lose only one second every 300 billion years—and someday they might fit in your ...