Doppler Global Velocimetry (DGV) is an optical measurement technique that leverages the Doppler effect to determine velocity fields in complex fluid flow environments. By detecting frequency shifts in ...

QUESTION: Talk about your work in detecting new planets. MARCY: The Doppler technique involves watching a star to see how it is gravitationally pulled by its attendant planets. We are lucky that with ...

DURHAM, N.C. -- Duke anesthesiologists have found that a "Doppler" technique of using reflected sound waves to measure the heart's pumping action can better guide the administration of fluids and ...

When the body moves, it's harder for existing wearable devices to accurately track heart activity. But University of Missouri researchers found that a starfish's five-arm shape helps solve this ...