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Gravitational Echoes: Just as sound waves can echo off a distant rockface, light waves can echo off of black holes. Renowned researchers Erin Kara and Shep Doeleman join Brian Greene to explore the exotic physics that rules all that happens near the edge of a black hole. BEYOND EINSTEIN is a 3-part series that explores the wondrous implications of gravity pushed to the extreme, tackling dark energy, black holes and white holes. Renowned researchers join Brian Greene to discuss a range of insights–from confirmed to highly speculative–that extend Einstein’s vision of reality and advance our understanding of fundamental physical laws. This program is part of the Big Ideas series, supported by the John Templeton Foundation. Participants: Shep Doeleman Erin Kara Moderator: Brian Greene WSF Landing Page: 00:00 - World War I and Karl Schwarzschild 03:02 - Participant introductions 04:49 - A non-rotating Black Hole 06:29 - How do you take a picture of a black hole? 11:21 - The sound of echo light 18:30 - Sonification of black holes echoes 24:12 - How does the EHT work? 27:50 - How light travels around a black hole 31:22 - Einstein was wrong Part 1 | Gravitational Rainbows: - Part 3 | Gravitational Geysers - - SUBSCRIBE to our YouTube Channel and “ring the bell“ for all the latest videos from WSF - VISIT our Website: - LIKE us on Facebook: - FOLLOW us on Twitter: #blackholes #physics #briangreene #shepdoeleman #erinkara
