February 2016 marks one of the biggest discoveries in cosmology and astronomy: the LIGO team annouced that they'd detected gravitational waves, 100 years after Albert Einstein predicted them. Scientists believe this could revolutionise how we study the universe. But what are these gravitational waves? How were they detected? And how is the discovery changing our understanding of cosmos? Graihagh Jackson finds out... Like this podcast? Please help us by
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Naked Astronomy, from the Naked Scientists