Nikhil told us about ‘Bubbles and Underwater Acoustics.’ Nikhil is a PhD student at the Institute of Sound & Vibration Research (ISVR) in the University of Southampton. His main research area is in modelling clouds of bubbles to understand their effect on underwater sound propagation, with applications to sonar, meteorology and marine mammals. In his spare time, he enjoys playing tennis, cycling and plenty of public engagement.