Miriam Frankel explores the nature of time with physicists and philosophers Sean Carroll, Emily Adlam and Natalia Ares, in episode one of Great Mysteries of Physics — a podcast series from The Conversation, UK, in collaboration with FQxI.

Explore more:

• Natalia Ares shows us around her Oxford lab and explains how she is using carbon nanotubes to investigate time's arrow in this short FQxI film, "Information as Fuel."
• Read more about the series, over at The Conversation.