Sapphire screens just one step down from diamond-hard (pictures)
Displays made from the second-hardest compound on Earth would be extremely hard to scratch or break. CNET checks out a sapphire screen prototype.
Sapphire screens: Almost diamond-hard
BARCELONA, Spain--Want a truly unbreakable cell phone screen? Lab-grown sapphire could be the screen of the future. In this demo unit we saw at Mobile World Congress, a sapphire cover screen is glued on top of the phone's glass screen. Despite the double layers of material, the phone was still just as responsive.