Journeying Through Space and Time in a Wormhole

Journeying Through Space and Time in a Wormhole
Gresham College - Gresham College
Professor Ian Morison discusses time, one of the most mysterious concepts in our Universe. It is easy to describe how we define its passage and how we can make exceedingly accurate clocks but questions as to what determines the arrow of time and whether time travel is possible can tax the most brilliant minds!