Why should we avoid creating contrails?

Presenter Jonathan McCrea and Producer Aidan McKelvey discuss the making of the Futureproof documentary ‘The Lost Bridge’.

Guest: Julie Elie, Associate Project Scientist in the Department of Neuroscience at University of California, Berkeley.

Guests: Jim Al Khalili, Theoretical Physicist, Host of BBC’s ‘The Life Scientific’ and author of ‘On Time: The Physics That Makes the Universe Tick‘ Dr. Ruth Freeman from Research Ireland Matthew Campbell, Professor of Genetics in Trinity College Dublin

We conventionally think of time as something simple and fundamental that flows uniformly, independently from everything else, from the past to the future, measured by clocks and watches. In the course of time, the events of the universe succeed each other in an orderly way: pasts, presents, futures…