Podcast - Shobita Satyapal and Ryan Pfeifle: When (three) worlds collide

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Host John Hollis speaks with Shobita Satyapal and Ryan Pfeifle about their discovery of three galaxies with black holes at their centers that, when they collide, could shake apart matter and light up gravitational wave detectors on earth. A fascinating detective story that was reported in the New York Times and on CNN.