Your next smartphone might use sapphire glass instead of Gorilla Glass

Sapphire, the hardest natural substance after diamond, might soon be used to make smartphone screens. Sheets of sapphire glass are already used by the military to create transparent armor, but if a bunch of sapphire-synthesizing startups have their way, sapphire glass will soon be cheap enough for use in a wide range of consumer products, such as smartphones, tablets, and other ruggedized devices. Read more...

Your Next Smartphone Screen May Be Made of Sapphire

Manufactured sapphire is incredibly strong and scratch resistant. Now falling costs and technology improvements could make it competitive with glass. Read more...