Please subscribe to Hay Festival Anytime for access to this content (more details)
Subscribe for £20.00 or log in if you already have a subscription
Jim al Khalili
Paradox: The Nine Greatest Enigmas in Physics
Hay Festival 2012,
If you travelled back in time and killed your grandfather, you would not have been born and would not therefore have killed your grandfather. For starters... Chaired by Ariane Koek.
