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
- From the section Science & Environment