Bruce DrinkwaterUniversity of Bristol Latest articles by Bruce Drinkwater How to Find a Submarine By Bruce Drinkwater published 26 October 14 Opinion Sonar devices reveal objects below the surface by directing sound waves into the ocean and recording the sound waves reflected back. Opinion Sign up for the Live Science daily newsletter nowGet the world’s most fascinating discoveries delivered straight to your inbox.Contact me with news and offers from other Future brandsReceive email from us on behalf of our trusted partners or sponsors LATEST ARTICLES11,000-year-old Viking Age hoard has a pendant that may be a cross or Thor's hammer2Missing link star? Why this 'teenage vampire' white dwarf has scientists so excited3How much gold is there in the world?4How long would it take for humans to go extinct if we stopped having babies?5Tectonic plates can spread subduction like a contagion — jumping from one oceanic plate to another
How to Find a Submarine By Bruce Drinkwater published 26 October 14 Opinion Sonar devices reveal objects below the surface by directing sound waves into the ocean and recording the sound waves reflected back.
