AllTop Viral!

The most viral news stories that you need to know about.

How an atomic clock works [video]

Posted by / June 17, 2015

Atomic clocks are the most accurate timekeepers on the planet. Besides keeping time, they also help with GPS. How do the clocks work and what do they do for GPS? Watch the video to find out.

Full story at engineerguy.

More great science.

Photo credit: Canva

Comments are off for this post.