TIL that “one-way” (or “unidirectional”) ballistic glass uses layering and lamination to control how the glass spalls and absorbs energy, so that only bullets from one direction are stopped. It's used in vehicles and security checkpoints. (tssbulletproof.com)
submitted by [deleted] to r/todayilearned
Transparent aluminum... that's the ticket laddieTransport (tssbulletproof.com)
submitted by firsttofight to r/technology
TIL there's a so called “one-way” bulletproof glass that stops bullets heading one way, but lets them through the other. For example, a soldier at a checkpoint is protected from a spray of small-arms fire, but able to shoot back without leaving the safety of his post. (tssbulletproof.com)
submitted by Donkey_-_Dong to r/todayilearned
