Have you ever wondered about what's in the vacuum of space? Ever thought about what the universe is actually expanding into? Or considered what's inside an atom?
Well, perhaps we have some answers for you. Our guest in the studio for this week's edition of our science podcast is Oxford physicist Frank Close, author of a new book called The Void, who is on hand to talk about nothing... well, nothingness, at least.
Listen to the show or visit the Science blog for subscription information and to leave your comments.
