A test using atomic clocks will watch superpositions ride Earth’s curved space-time and see if Einstein can play nice with ...

The interplay between quantum theory and gravity is one of the most challenging problems in physics today. Using new groundbreaking approach, researchers hope that quantum networks will help them test ...

We depend on them for GPS location, Internet timing, stock trading and even space navigation. In today's encore episode, hosts Emily Kwong and Regina G. Barber learn how to build a better clock.