Add Yahoo as a preferred source to see more of our stories on Google. Tune into any TV weather report and you’ll hear the words “Doppler radar” as meteorologists track storms across California. But ...

WEST LAFAYETTE, Ind. — Doppler radar improves lives by peeking inside air masses to predict the weather. A Purdue University team is using similar technology to look inside living cells, introducing a ...

What is Doppler Ultrasound Scan? Ultrasound is a high-frequency sound that you cannot hear but it travels through fluid and soft tissues. However, it bounces back, or echoes, when it hits a more solid ...

A cutting-edge mobile tool for tracking severe weather will be on display at the National Weather Service office in Dickinson. It gives forecasters much more detail as they try to predict what a storm ...

Researchers have observed the inverse Doppler effect at optical frequencies, using a technique that combines a moving negative-index photonic crystal and heterodyne interferometry. In 1843, Christian ...

Tune into any TV weather report and you’ll hear the words “Doppler radar” as meteorologists track storms across California. But how does Doppler radar work? And how accurate is it? The concept of ...