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Is time travel possible? What happens if you fall into a black hole? Astrophysicist will answer these questions and more by taking you on a journey through the cosmos looking at gravitational wave astronomy, how neutron stars make gravitational waves by growing mountains and finally how to time travel.

Emma Osborne works with the BBC, London Science Museum and The Royal Society, as well as regularly creating content for her popular YouTube channel The Extraordinary Universe, Instagram and Twitter.

is the world’s greatest science festival and runs from 10 to 13 October at ExCel London. You can .