This is the continuation of the seminars of the Applied Physics Scientific Section. You will be welcome if you are visiting the Centre or another Trieste Institute, especially if you are an Associate Member, TRIL Fellow, or if you are from Affiliated Institutes of the Abdus SAlam ICTP in the various areas of Applied Physics. The summary of the seminar is available at: http://www.ictp.it/~chelaf/ss234.html Refreshments will be served at the end of this event.