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 ...

There are only a few players in the tough glass game, the most prominent two named after a massive primate and a pretty gemstone. One is tough, the other is scratch-resistant. Corning, developer of ...

Denny the gorilla charged at a visitor at the San Diego Zoo over the weekend, slamming into the glass and leaving a huge ...