Why drop tests don't shatter Motorola phones (like Moto Z Force)

Today we've seen another drop test of the Moto Z, this time with the Z Force Droid Edition of the phone. It didn't shatter. It didn't even crack. The reason for this is the application of an extra bit of protection called ShatterShield. This is not the first time Motorola has used this tech - they also had it applied …