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2:00 pm – 3:00 pmThe WorldEach weekday, host Marco Werman and his team of producers bring you the world's most interesting stories in an hour of radio that reminds us just how small our planet really is.see more
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Scientists Detect Gravitational Waves in Deep Space

Mina Kim
at 9:00 AM
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 (Caltech/MIT/LIGO Laboratory)

An international team of scientists announced Thursday that they have detected gravitational waves from two black holes that collided a billion light years away. The waves, also known as "ripples" in the fabric of spacetime, confirm a key prediction of Einstein's general theory of relativity. We discuss the significance and implications of the discovery.

Guests:

David Reitze, physicist and executive director, Laser Interferometer Gravitational-Wave Observatory (LIGO) at Caltech

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