LIGO's Gravitational Waves Discovery Enthusiastically Explained By Space Reporter | Video staff writer Calla Cofield's enthusiasm is contagious as she explains how gravitational waves were discovered for the second time using the Laser Interferometer Gravitational Wave Observatory (LIGO). This conversation with between Calla and managing editor Tariq Malik originally aired on Facebook Live on June 15, 2016.

Gravitational Wave Detector Finds Double Colliding Black Holes — Again (Woot! )


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