decode world on Instagram: "The video illustrates Apple's chassis evolution through a sequential bend test: early aluminum models like iPhone 6 deform under moderate pressure, while titanium-framed iPhone 15/16 resist over 130 pounds without permanent damage, aligning with 2025 Allstate tests showing tripled strength since 2014's Bendgate. Material upgrades—from 6000-series aluminum to grade 5 titanium—enhance flexural rigidity by 40-50% per Consumer Reports data, prioritizing thin designs witho