New atomic clock is most precise yet
Next test is whether the timepiece can translate precision into long-term accuracy
![atomic clock](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2017/10/100517_mt_atomicclock_feat.jpg?fit=860%2C460&ssl=1)
GRID’S GOT RHYTHM The world’s most precise timepiece consists of strontium atoms in a grid, ticking off oscillations of laser light trillions of times per second.
The Ye group and Steve Burrows/JILA