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Professor Jerome Gauntlett talks to BBC Radio 4.

'Hippies' is not a term that normally springs to mind when you think about the hard, number-crunching work of theoretical physicists, such as those who built the Large Hadron Collider.  - But the liberating approach of counter-culture revolutionaries may have played an important part in setting physicists free to day-dream again. Professor Jerome Gauntlett talks to the programme about whether modern physics demands the use of imagination."

Today programme, BBC Radio 4, 08.24am