Why Nuclear Clocks Will Be the Most Accurate Clocks on Earth

Since they were first created in the mid-twentieth century, atomic clocks have been the gold standard of timekeeping. Indeed, the most accurate clock in the world, which is run by the National Institute of Standards and Technology in Colorado, is a ytterbium atomic clock. But now researchers around the world are working on building a better model based not on the electrons of an atom, but the nucleus.

Source: vice.com