We have all paused to reflect on things we wish we had done. Things we wished we could change or do again.

This longing to go back in time might, on the surface, appear to be a fundamental aspect of the human experience but the idea of time travel itself may not be as old as you think.

In this special episode of Futureproof Extra, Jonathan speaks to James Gleick, essayist, journalist, historian of science and author of ‘Time Travel: A History’ about the concept of time and together they explore the history of time travel.

As well as that, Jonathan responds to all your tweets and texts.