Engines Podcast Engines of Our Ingenuity 1287: Faster Than SoundEpisode: 1287 Transonic flight: piercing the sound barrier. Today, the sound barrier. Dr. John Lienhard | Posted on January 6, 2017, 12:01 AM Episode: 1287 Transonic flight: piercing the sound barrier. Today, the sound barrier. / To embed this piece of audio in your site, please use this code: <iframe src="https://embed.hpm.io/182207/182206" style="height: 115px; width: 100%;"></iframe> X Share