I just watched my smartphone case heal itself from scratches

In late 2013, LG unveiled a smartphone called the G Flex. It was one of the first smartphones to feature a flexible display, as the name might indicate, and its casing was curved slightly to help showcase that. Meh. The phone also included another new feature though. While it wasn’t publicized quite as widely, the back of the G Flex sported a special coating that was able to slowly heal itself from minor scratches and swirling. This awesome feature has since been included on a few other LG pho...