Cohen in a lecture

He gave a lecture on his recent work, in which he has listed a handful of his work on graphene, on photovoltaics, nano structures and superconductors. It might be worthy to put the link here: http://videochannel.ust.hk/Watch.aspx?Section=Channels&Channel=2&SubType=All&View=Icon&Sort=Date&Page=3&Current=30&Mode=Play