{"id":208,"date":"2026-03-03T08:00:00","date_gmt":"2026-03-03T14:00:00","guid":{"rendered":"https:\/\/podcasts.la.utexas.edu\/the-materials-universe-podcast\/?post_type=podcast&#038;p=208"},"modified":"2026-02-26T09:01:26","modified_gmt":"2026-02-26T15:01:26","slug":"materials-universe-podcast-season-3-episode-4-defining-light-and-sound","status":"publish","type":"podcast","link":"https:\/\/podcasts.la.utexas.edu\/the-materials-universe-podcast\/podcast\/materials-universe-podcast-season-3-episode-4-defining-light-and-sound\/","title":{"rendered":"Materials Universe Podcast &#8211; Season 3 Episode 4 &#8211; Defining Light and Sound"},"content":{"rendered":"\n<p>In this episode, we talk to Dr. Ryan Behunin from our partners at Northern Arizona University about phonons and how complicated it can be to define light and sound.\u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"In this episode, we talk to Dr. Ryan Behunin from our partners at Northern Arizona University about phonons and how complicated it can be to define light and sound.\u00a0","protected":false},"author":105,"featured_media":0,"menu_order":0,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":true,"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","episode_type":"audio","audio_file":"http:\/\/podcasts.la.utexas.edu\/the-materials-universe-podcast\/wp-content\/uploads\/sites\/54\/2026\/02\/2025-12-03_Materials-universe-podcast_ryan-behunin_master-1.mp3","podmotor_file_id":"","podmotor_episode_id":"","cover_image":"","cover_image_id":"","duration":"00:26:11","filesize":"35.96M","filesize_raw":"37708490","date_recorded":"2026-02-24","explicit":"","block":""},"tags":[],"categories":[],"series":[11,12],"class_list":{"0":"post-208","1":"podcast","2":"type-podcast","3":"status-publish","5":"series-the-materials-universe-podcast","6":"series-default-podcast","7":"entry"},"acf":{"related_episodes":"","hosts":[{"ID":126,"post_author":"10","post_date":"2024-10-29 21:21:44","post_date_gmt":"2024-10-29 21:21:44","post_content":"<!-- wp:paragraph -->\n<p>Audrey Colegrove is the Education and Outreach Coordinator for the Center for Dynamics and Control of Materials. 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