The US Navy has invented bulletproof glass for your smartphone

Your smartphone could get a whole lot tougher, thanks to the US Navy. It’s invented a new transparent material, called Spinel, that’s said to be more durable than glass.
We say your smartphone could get tougher, but that’s not what the Navy had in mind when producing it. Spinel, the result of
The US Navy has invented bulletproof glass for your smartphone