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The 2015 Newton lecture was given by the winner of the Isaac Newton medal, Professor Eli Yablonovitch, University of California, Berkeley, and chaired by IOP President, Professor Roy Sambles.


Photonic crystals have now been identified within the coloration of peacocks, parrots, chameleons, butterflies and many other species. But photonic crystals are also part of everyday technological life in opto-electronic telecommunication devices that provide us with internet, cloud storage, and email.