Picos is located in Brazil (Piauí) and time zone America/Fortaleza.
Places nearby are Jaicós, Inhuma and Oeiras.
Fortaleza is 437 km away, Salvador is 691 km away and Belo Horizonte is 1,427 km away as the crow flies.
Distances from Picos to the most important cities in Brazil and the world.
-7.0769400°
-41.4669400°
Non-destructive type of ultrasonics
https://en.wikipedia.org/wiki/Picosecond_ultrasonics