AN ultrasonic shear (transverse) wave entering a stressed solid body splits into two components travelling at slightly different velocities depending on the relevant elastic ‘constants’ which are ...

Seismic energy propagating through the mantle beneath an oceanic spreading centre develops a signature due both to the subaxial deformation field and to the presence of melt in the upwelling zone.

CULVER CITY, Calif.--One of the things that struck me towards the end of the animated surfing penguin mockumentary, Surf's Up, is that I had forgotten that every bit of water in the film--mainly loads ...