Ripples in space-time: scientists discover gravitational waves from the Big Bang

19 March 2014

UCL experts including Dr Hiranya Peiris (UCL Physics & Astronomy) comment about the discovery of gravitational waves – ripples from the Big Bang 14.8 billion years ago, which were predicted by Einstein almost a century ago. Watch: Newsnight More: The Guardian, ITV News at Ten, Channel 4 News, Listen: BBC Radio 4 'Inside Science' (from 4 minutes 10 sec)