Physicist Joseph Betzwieser — Listening to black holes, Nov. 29, 2018

Joe Betzwieser has heard the sound of black holes merging — which happened 1.3 billion years ago when the Earth contained only simple multicellular life — and you can hear it, too, on this podcast. A major prediction of Albert Einstein’s 1915 theory of relativity was confirmed over a century later through cutting-edge technology. The Nobel Prize in Physics was awarded to researchers at Louisiana State University who developed the Laser Interferometer Gravitational-Wave Observatory, known as LIGO. Betzwieser was part of that project.

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