TechnologyTurn your iPhone 5, Samsung Galaxy S4 waterproof with new US $20 nanotechnologyFareeha KhalidJuly 30, 2013July 4, 2014 by Fareeha KhalidJuly 30, 2013July 4, 2014 Do you want to turn you iPhone 5, Samsung Galaxy S4 and other smartphones water-resistant? If yes than we have a good news for you...