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Streamed live on Dec 3, 2012
This was recorded on 3 December, 2012. The Professors (from left to right): Ed Copeland (sixtsymbols and numberphile) Martyn Poliakoff (periodicvideos) Mike Merrifield (sixtysymbols and deepskyvideos) Phil Moriarty (sixtysymbols and numberphile)