<p>The controversial submersible’s catastrophic failure killed five passengers en route to the ‘Titanic.’</p> <p>The post <a href="https://www.popsci.com/science/oceangate-titan-implosion-audio/">Listen to chilling underwater audio of the OceanGate ‘Titan’ implosion</a> appeared first on <a href="https://www.popsci.com">Popular Science</a>.</p>