Laser Doppler Velocimetry (LDV) Measurement Systems with PowerSightâ¢ Solid State Laser Modules. Laser Doppler velocimetry is a well-proven technique that measures fluid velocity accurately and non-invasively. Measurements are made at a point (a small, non-intrusive optical probe volume) defined by the intersection of two laser beams.
Ethnicity: Afro-Panamanian, Indo-Trinidadian. Tatyana Ali is an American actress, model, and R&B singer. She is famous for playing Ashley Banks on the television series The Fresh Prince of Bel Air. Her father, Sheriff Ali, is of East Indian ancestry, from Trinidad and Tobago. Her mother, Sonia, is of Afro-Panamanian heritage.
Date of Birth: June 26, 1993. Ethnicity: Italian (Sicilian and Abruzzese) Ariana Grande is an American actress and singer. Her parents are both of Italian descent. She stated on her Twitter account that she is of half Sicilian and half Abruzzese Italian ancestry. Her half-brother, Frankie Grande, is an actor, dancer, and musician. A picture of Arianaâs father can be seen here.