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Intelligent speech, the most insightful journalism, the wittiest comedy, the most fascinating features and the most compelling drama and readings anywhere in UK radio.

The ideas shaping our lives today - with artists and thinkers in debates and interviews.

The ideas shaping our lives today - with leading artists and thinkers in extended interview and debate.

Free Thinking: Festival 2017

Carlos Frenk

Eugenia Cheng

Jim Al-Khalili

Louisa Preston

Rana Mitter

Torquil MacLeod

Free Thinking: Festival 2017: Episode 14: Time, Space and Science

Time, Space and Science

Episode 14

Episode 14: Time, Space and Science

Festival 2017

BBC Radio 4 - Free Thinking, Festival 2017, Time, Space and Science

Carlos Frenk, Eugenia Cheng, Jim Al-Khalili and Louisa Preston debate time and space.

From Sage Gateshead, Rana Mitter introduces a discussion in which Carlos Frenk. Eugenia Cheng, Jim Al-Khalili and Louisa Preston consider the connections between time and space.

Carlos Frenk, Eugenia Cheng, Jim Al-Khalili and Louisa Preston debate time and space with presenter Rana Mitter and an audience at Radio 3's Free Thinking Festival at Sage Gateshead.

We can measure time passing but what actually is it? What do scientists mean when they suggest that time is an illusion. Can time exist in a black hole? Is everyone's experience of time subjective? What is the connection between time and space? How does maths help us understand the universe?

Professor Carlos Frenk is founding Director of the Institute for Computational Cosmology at Durham University and the winner of the Gold Medal of the Royal Astronomical Society in 2014.

Dr Eugenia Cheng is Scientist in Residence at the School of the Art Institute of Chicago and an Honorary Fellow of the University of Sheffield. She is trilingual, a concert-level classical pianist and the author of Beyond Infinity: An Expedition To The Outer Limits Of The Mathematical Universe.

Jim Al-Khalili is Professor of Physics at the University of Surrey and presenter of BBC Radio 4's The Life Scientific and TV documentaries. His books include Paradox: the Nine Greatest Enigmas in Science, Black Holes, Wormholes and Time Machines and Quantum: a Guide for the Perplexed.

Dr Louisa Preston is a UK Space Agency Aurora Research Fellow. An astrobiologist, planetary geologist and author, she is based at Birkbeck, University of London. Her first book is Goldilocks and the Water Bears: the Search for Life in the Universe.


Producer: Torquil MacLeod.

Live music and the arts: broadcasts more live music than any other radio network. Classical music is its core. Genres include world and new music, jazz, speech and drama.

Series of events from the 2017 Free Thinking festival. The theme is 'the speed of life'

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Episode 14: Time, Space and Science

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