Bendable glass was supposed to unlock a future straight out of science fiction: phones that fold. But the actual glass we got wound up relying on factory-installed plastic screen protectors to avoid shattering when you fold it. Now, LG wants to cut out the middleman by improving the plastic instead: the company just announced its “Real Folding Window,” a cover material it claims will be as hard as glass but without the whole cracking issue.
What’s the secret? Well, LG doesn’t quite say in its press release, only that it’s a “new material” that it uses to coat both sides of a sheet of plastic film — PET film, to be precise. (PET is probably best known as the plastic in your soda bottle.) The idea is that if you apply…
