Sound waves could take a tsunami down a few notches

Acoustic-gravity waves would exchange energy with destructive water wave

2011 Japan tsunami

WAVE GOODBYE  Firing a pair of sound waves at a tsunami, like this one that hit Japan in 2011, could weaken the wall of water and decrease its height, a researcher proposes.

Mainichi Shimbun/REUTERS

A tsunami’s immense wall of water may not be stoppable.