Cellphones to be charged with sound

Posted: 08 Sep 2014 05:54 AM PDT On a quest for optimum utilisation of abundant energy around us, a group of scientist have been successful in converting the sound of traffic, roar in stadium, music, or the conversation on phone itself into electricity. Utilising zinc oxide nanorods, a team of Queen Mary’s University and Microsoft were successful to create a prototype device similar the size of Nokia Lumia 925 that generates 5 volt of electricity, sufficient enough to charge a mobile phone