The strange new world of Nanoscience, narrated by Stephen Fry

Where and what is nano? How will it shape our future? Nanoscience is the study of phenomena and manipulation of materials at the nanoscale, where properties differ significantly from those at a larger scale. The strange world of nanoscience - it can take you into atoms and beyond the stars.

http://www.youtube.com/watch?v=70ba1DByUmM&feature=player_embedded#!