Engines Podcast Engines of Our Ingenuity 1396: An Engineer Named CalderEpisode: 1396 An engineer named Calder. Today, an engineer takes up sculpture. Dr. John Lienhard | Posted on September 8, 2017, 12:01 AM Episode: 1396 An engineer named Calder. Today, an engineer takes up sculpture. / To embed this piece of audio in your site, please use this code: <iframe src="https://embed.hpm.io/234513/234509" style="height: 115px; width: 100%;"></iframe> X Share