After Hurricane Katrina, the most expensive natural disaster in U.S. history, New Orleans continues to build on its recovery through music and culture.

Chennai: The city's coastlineis getting a new line of defence an elite marine force to guard turtle nesting beaches and fragile marine habitats. With .

A deep-sea linear ultrasonic motor, which takes in-plane expansion mode as the working mode, is proposed in this paper. Its main structure is rectangular metal plate with four piezoelectric ceramics.