Two black holes merging
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The 'mind-boggling' scientific breakthrough

One hundred years after Albert Einstein first suggested their existence, scientists have found evidence of gravitational ripples - which stretch space as they travel at the speed of light.

Professors David Reitze and Gabriela Gonzalez speak about their Laser Interferometer Gravitational-wave Observatory project breakthrough, alongside France Cordova of the National Science Foundation.

  • 11 Feb 2016
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