this post was submitted on 30 Sep 2023
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The thin glass substrates do add some rigidity, but the more rigid a frame the less stress is borne by the glass under impact. I would not be surprised to find the frame is mostly Al. It’s light, and strong - common, properly tempered alloys are as strong (yield, not ult) or stronger than stainless. Of course the 1/3 density comes with just 1/3 stiffness. No free lunches.