Dr. Paul Curzon's talk on artificial intelligence on 12 May (the second talk of the evening) included several demonstrations requiring audience participation. He concluded with some conjuring to illustrate his own research into the "human-computer interface".
Audio is available in the Skepticule Record podcast feed here:
http://www.skepticule.co.uk/2011/05/skeprec-003-20110512.html
(A new Skepticule Extra episode will be available shortly.)
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