Atomic clock will keep precise time for 15 billion years
![strontium atomic clock](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2015/04/ticker_Sr-clock-thermometers-Marti_free.jpg?fit=860%2C460&ssl=1)
RIGHT ON TIME A new atomic clock contains two ultrasensitive thermometers (center) that enable scientists to account for heat-caused fluctuations that limit the clock’s precision.
Marti/JILA
RIGHT ON TIME A new atomic clock contains two ultrasensitive thermometers (center) that enable scientists to account for heat-caused fluctuations that limit the clock’s precision.
Marti/JILA