Time: A Guide for Travellers - Professor John D Barrow FRS - Gresham College Lectures

This year is the centenary of the birth of the great logician Kurt Gödel. One of his greatest discoveries had nothing to do with mathematical logic. It was that Einstein’s theory of relativity allows universes in which time travel is possible. We will describe Gödel’s strange universe and discuss the history of the idea of time travel to the future and to the past in science fiction and science fact. In particular we will look at the traditional story line of ‘back to the future’ and show how it is possible to be part of the past but not to change the past, and what physicists think about time travel in the light of quantum theory. All our lectures are available for free download from the Gresham College website, in video, audio or text formats: http://www.gresham.ac.uk Gresham College professors and guest speakers have been giving free public lectures in central London since 1597. This tradition continues today and you can attend any of our lectures, or watch or listen to them on our website. Website: http://www.gresham.ac.uk Twitter: http://twitter.com/GreshamCollege Facebook: http://www.facebook.com/pages/Gresham-College/14011689941

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Gresham College exists for the sole purpose of disseminating knowledge to the public through free lectures. This four century old tradition continues today with three or more lectures a week being made available for free download from our website: