People are obsessed with time. Sun movement defined a day and its parts. Seasonal changes and the movements of stars helped to measure seasons. Records of time measurement started way before writing ...

Climate change has been blamed for many dramatic effects on our planet and our lives. Now it may even affect the measurement of time. You've probably heard of "leap seconds" — the sliver of time ...

As a species, we are obsessed about time. Our technological exploits rely on an increasingly exact knowledge of time. For example, some communications systems require frequency uncertainty 10-11 ...

Get the latest federal technology news delivered to your inbox. Measurements are, in both direct and indirect ways, a key to our society. They help us agree on a lot of important things that ...

The basic concepts underpinning time-domain reflectometry. Difference between frequency- and time-domain analysis. Some applications of TDR measurements. Time-domain reflectometry (TDR) is a technique ...